SFF computer....will it all fit and power up

JSKILL

Here is my list of specs for my sff computer.....on some of them there are multiple options....I am concerned with space, heat, and power. The bolded one is the one i am leaning too so feel free to share opinions on the hardware as well.

Motherboard

Foxconn 6100K8MA: 58.99
http://www.newegg.com/Product/Product.asp?Item=N82E16813186085

JetWay J939GT3-PTD: 60.99
http://www.newegg.com/Product/Product.asp?Item=N82E16813153047

eVGA 131-K8-NF44-AX: 99.99
http://www.newegg.com/Product/Product.asp?Item=N82E16813188007


Gigabyte GA-M51GM-S2G Socket AM2: 80.00
http://www.newegg.com/Product/Product.asp?Item=N82E16813128009


Case:
ASPIRE X-QPACK-AL/420 Black/Silver Aluminum MicroATX 85.00
http://www.newegg.com/Product/Product.asp?Item=N82E16811144109


Memory
OCZ Platinum 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 800 (PC2 6400) Dual Channel Kit System 217.00
http://www.newegg.com/Product/Product.asp?Item=N82E16820227089


Hard Drive:
HITACHI Deskstar T7K250 HDT722516DLA380 (0A31637) 160GB 60.00
http://www.newegg.com/Product/Product.asp?Item=N82E16822145088

Video Card:
ASUS EN7900GTX 512: 475.00
http://www.newegg.com/Product/Product.asp?Item=N82E16814121002

eVGA 256-P2-N564 Geforce 7900GT 256: 285 - 15 rebate
http://www.newegg.com/Product/Product.asp?Item=N82E16814130015

MSI RX1900XT-VT2D512E Radeon X1900XT 512: 405 - a 30 rebate
http://www.newegg.com/Product/Product.asp?Item=N82E16814127206

Processor:
AMD Athlon 64 X2 3800+ Manchester 2000MHz 297.00
http://www.newegg.com/Product/Product.asp?Item=N82E16819103562