I3 550 Bottlen necking future upgrades? Eg SLI GTX 460

Hi was hoping for some honest advice on my new PC i'm about to get but first lets see at what i'm planning to build and use for the next 1-2 years with the budget i'm on. I have access to Gigabyte factory prices so thats why half this system is based off Gigabyte brands.

CPU: Intel® Core™ i3 550 - 3.20GHz

Mobo: GIGABYTE® P55A-UD3 (Pretty much decided on this motherboard for the 4x DDR3-2200+ Slots; 2x SATA3 but the problem is it only supports ATI crossfire and not SLI)

RAM: Transcend® aXeRam™ DDR3-2000 4GB [2x 2GB] (Only gaming RAM availbe to me at really a good price besides the DDR2- 1066 version which is the same cost)

GPU: GIGABYTE® nVidia® GeForce GTX460 1GB Super Overclocked version (The one with Core: 815MHz / Shader: 1630MHz / Memory: 4000MHz)

PSU: GIGABYTE® ODIN GT 550W, 6x SATA Power / 5x MOLEX Power / 1x FDD Power / 1x 8-Pin (6+2-Pin) & 1x 6-Pin PCI Express Power / 1x 4/8-Pin CPU Power Connector

HDDs: Seagate® Barracuda™ Green 5900 Series - 2TB Serial ATA III (SATA3) Plus - Serial ATA 600 (6Gbps) With 64MB Cache @ 5900RPM
and Seagate® Barracuda™ 7200.12 Series - 250GB Serial ATA II (SATA2) Plus - Serial ATA 300 (3Gbps) With 8MB Cache @ 7200RPM

Optical Drive: LITEON® Blu-Ray™ Writer - SATA - 12x BD-R, 8x BD-ROM, -R, RE (4x DL) / - 16x DVD+R/-R/-R DL/+R DL, 8x +RW/-RW, 48x CD-R - Black

Monitor: SAMSUNG® BX2450 LED LCD - 24" , 16:9 HD, 1920x1080, 2ms Response Time, 5,000,000:1 Contrast Ratio, 250cd/m² Bright - D-SUB, HDMI x2

Now as it is, would this PC be a good balanced setup thats not wasting my budget by one or more overpowered hardware, relative to the rest of this system. I plan to use this setup for 1-2 years and will then upgrade with another 4GB of RAM together with SLI SCO GTX 460 and a bigger PSU.

Only problem is, is that i'm not to clued up on differences between the i3 and i5 CPUs these days. I heard it was a better option to go for the i3 if you not using the Integrated HD graphics. But will the i3 550 bottleneck my 8GB of DDR3 2000 RAN and GTX460s in SLI and will then have to get a quad core? My Goal is to basically have a good value/performance rig with SLI GTX460 in the next year or so.

The main thing is that weather i should get a cheap motherboard and CPU now (since curretn one does not support SLI) and then buy better when i get my other GTX 460 but if i don't need a better CPU than I would like to get the right mother board now.
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More about bottlen necking future upgrades
  1. If your mb does not support SLI, then do not choose it, or, do not choose the GTX460....

    In my opinion, you'd be better off choosing a more powerful video card initially, even if you must reuse drives from an older build to fund the cost difference....; nice starting point if you want the rig to last is GTX570, IMO
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