I'd like to take a moment to thank Marest for his sample builds, which helped this first time builder put together an awesome "core" machine (with a little help from my brother and a 12 pack). Also I'd just like to say that this computer forum is a pretty cool place in general; I mostly just lurk here but I've learned quite a bit from it.
Intel i5 3570K processor
Asus P8Z77-V motherboard
8GB (2x4) Corsair low profile RAM
Corsair Enthusiast Series TX750 PSU
Crucial 128GB SSD
Gigabyte GTX 560 Ti
Logitech MK320 Wireless Keyboard & Mouse combo (only $20 refurbished)