Arviko :
My motherboard: AsRock Z77 Extreme4 Motherboard (Socket 1155, Intel Z77, Up to 32GB DDR3, ATX, 2 x SATA3 6.0 Gb/s, Supports NVIDIA SLI and AMD CrossFireX, Premium Gol.
PSU: Corsair TX650V2 Enthusiast Series 650W TX ATX/EPS 80 PLUS Bronze PSU
My good monitor (got another that's 1920x1080): ASUS VE247H 24 inch LED Widescreen Full HD 1080p Support with HDMI 2ms Response Time Splendid? Video Intelligence Technology
Arviko
budget? for midrange, core i5 3570k. high end, core i7 3770k
.
graphics card - custom radeon r9 290 from asus, if you can get one. or
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125500
if budget doesn't allow, r9 280x
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121803
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125475
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127759
or radeon hd 7970 ghz edition, it's has the same gpu as r9 280x. but 280x's one is tweaked a bit.
recently prices of high end radeons have gone up due to cryptocurrency mining hype.
another, cheaper option from amd may be r9 270x
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125476
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202077
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127760
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202063
from nvidia, geforce gtx770
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125463
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130921
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121770
or 780
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130942
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121779
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127754
if your budget is lower, then geforce gtx 760
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130932
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125466
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121775
links are for reference only. prices may vary at your location.
all of these support at least 2 displays.
toms graphics card performance hierarchy chart
http://www.tomshardware.com/reviews/gaming-graphics-card-review,3107-7.html