I just compiled a list of sites that have reviews of components. Included are a few stores (like Newegg) that have user reviews. Any additions or deletions?
AnandTech http://www.anandtech.com/
Atomicmpc http://www.atomicmpc.com.au/category.asp?SCID=16
BeHardware http://www.behardware.com/
Benchmark Reviews http://benchmarkreviews.com/index.php
Bit-tech http://www.bit-tech.net/
Ciao http://www.ciao.co.uk/Computers_5220723_1
CNET Reviews http://reviews.cnet.com/motherboards/gigabyte-ga-p35-ds3l/4505-3049_7-32555258.html
Computer Hardware http://w-hardware.blogspot.com/
Computing Review http://www.computingreview.com/defaultcrx.aspx
Dev Hardware http://www.devhardware.com/
DriverHeaven http://www.driverheaven.net/index.php
Epinions http://www1.epinions.com/
Ewiz http://www.ewiz.com/index.php
Extream Overclocking http://www.extremeoverclocking.com/
ExtremeTech http://www.extremetech.com/
FiringSquad http://www.firingsquad.com/
Hardware.Info http://www.hardware.info/
Hardwarecentral http://www.hardwarecentral.com/hardwarecentral/
Hardwaresecrets http://www.hardwaresecrets.com/
Hardwarezone http://www.hardwarezone.com/home/
Hot Hardware http://www.hothardware.com/default.aspx
IT Reviews http://www.itreviews.co.uk/index.htm
Legit Reviews http://www.legitreviews.com/
Madshrimps http://www.madshrimps.be/
Maximum PC http://www.maximumpc.com/
MBReview http://www.mbreview.com/index.php
Merchant Hound http://components.computers.merchanthound.com/
Motherboards.org http://www.motherboards.org/index.html
Mwave http://www.mwave.com/mwave/Index.hmx?
Neoseeker http://www.neoseeker.com/
Newegg http://www.newegg.com/ProductSort/CategoryList.asp?DEPA=0
Overclock.net http://www.overclock.net/
Overclocker Cafe http://www.overclockercafe.com/index.htm
Overclockers Club http://www.overclockersclub.com/
Overclockers.com http://www.overclockers.com/
PC Perspective http://www.pcper.com/
PC World http://www.pcworld.com/
PCStats http://www.pcstats.com/
Phoronix http://www.phoronix.com/scan.php?page=home
PriceGrabber UK http://computers.pricegrabber.co.uk/
Silentpcreview http://www.silentpcreview.com/
StorageReview http://www.storagereview.com/
Tech Review Database http://www.techreviewdb.com/
Tech-Hounds http://www.tech-hounds.com/index.html
Techreport http://techreport.com/
TomsHardware http://www.tomshardware.com/us/
TrustedReviews http://shopping.trustedreviews.com/US/pc-components/
TweakTown http://www.tweaktown.com/
Virtual-Hideout http://www.virtual-hideout.net/
Warp2Search http://www.warp2search.net/index.php
X-bit labs http://www.xbitlabs.com/
AnandTech http://www.anandtech.com/
Atomicmpc http://www.atomicmpc.com.au/category.asp?SCID=16
BeHardware http://www.behardware.com/
Benchmark Reviews http://benchmarkreviews.com/index.php
Bit-tech http://www.bit-tech.net/
Ciao http://www.ciao.co.uk/Computers_5220723_1
CNET Reviews http://reviews.cnet.com/motherboards/gigabyte-ga-p35-ds3l/4505-3049_7-32555258.html
Computer Hardware http://w-hardware.blogspot.com/
Computing Review http://www.computingreview.com/defaultcrx.aspx
Dev Hardware http://www.devhardware.com/
DriverHeaven http://www.driverheaven.net/index.php
Epinions http://www1.epinions.com/
Ewiz http://www.ewiz.com/index.php
Extream Overclocking http://www.extremeoverclocking.com/
ExtremeTech http://www.extremetech.com/
FiringSquad http://www.firingsquad.com/
Hardware.Info http://www.hardware.info/
Hardwarecentral http://www.hardwarecentral.com/hardwarecentral/
Hardwaresecrets http://www.hardwaresecrets.com/
Hardwarezone http://www.hardwarezone.com/home/
Hot Hardware http://www.hothardware.com/default.aspx
IT Reviews http://www.itreviews.co.uk/index.htm
Legit Reviews http://www.legitreviews.com/
Madshrimps http://www.madshrimps.be/
Maximum PC http://www.maximumpc.com/
MBReview http://www.mbreview.com/index.php
Merchant Hound http://components.computers.merchanthound.com/
Motherboards.org http://www.motherboards.org/index.html
Mwave http://www.mwave.com/mwave/Index.hmx?
Neoseeker http://www.neoseeker.com/
Newegg http://www.newegg.com/ProductSort/CategoryList.asp?DEPA=0
Overclock.net http://www.overclock.net/
Overclocker Cafe http://www.overclockercafe.com/index.htm
Overclockers Club http://www.overclockersclub.com/
Overclockers.com http://www.overclockers.com/
PC Perspective http://www.pcper.com/
PC World http://www.pcworld.com/
PCStats http://www.pcstats.com/
Phoronix http://www.phoronix.com/scan.php?page=home
PriceGrabber UK http://computers.pricegrabber.co.uk/
Silentpcreview http://www.silentpcreview.com/
StorageReview http://www.storagereview.com/
Tech Review Database http://www.techreviewdb.com/
Tech-Hounds http://www.tech-hounds.com/index.html
Techreport http://techreport.com/
TomsHardware http://www.tomshardware.com/us/
TrustedReviews http://shopping.trustedreviews.com/US/pc-components/
TweakTown http://www.tweaktown.com/
Virtual-Hideout http://www.virtual-hideout.net/
Warp2Search http://www.warp2search.net/index.php
X-bit labs http://www.xbitlabs.com/