The Mobo, and RAM you chose will all work together. The mobo will also fit the case you picked.
That case comes with a 450W PSU which, based on power output alone, is more than enough for your computer. Although many people dont like no-name PSUs, they are fine, as long as you give them a little extra room. By this, I mean that if your system needs 400W, then you can give it a good-name 400W or a no-name 450W PSU.
Intel E6750...........PSN: ELBATROP
XFX nForce 650i Ultra
Patriot PC2-6400 8GB (4x2GB)
36GB WD Raptor
Samsung SyncMaster 931c
Samsung SyncMaster 750s
Windows 7 Home Premium 64