What I put together for ~$1800 CDN:
CPU Intel Core i7 2600K 3.4GHz 8M S1155
Motherboard Asus P8P67 Deluxe R3 P67 S1155 ATX
Videocard Asus GF GTX570 1.2GB GDDR5 PCI-E
Memory G.SKILL Ripjaws X Series 8GB (2x4GB) DDR3 1600 (PC3 12800) F3-12800CL9D-8GBXL (qty=2, for 16GB total)
PSU...
1) What will you be doing with this PC? Gaming? Photoshop? Web browsing? etc
*** Everything, but primarily gaming and software development
2) What's your budget? Are tax and shipping included?
*** Not a big deal, want quiet high performance pc.. $3000 total give or take.. as long as parts...