How does this sound?

AMD Athlon 64 3500+ 2.2GHz, 512kb Cache, 90nm Winchester w/HT
- OR -
Intel Pentium 4 3.4GHz, 800MHz FSB, 1MB L2 Cache w/HT

ATI Radeon x800 XT 256MB GDDR3
- OR -
NVIDIA GeForce 6800GT 256MB GDDR3

1GB DDR2 Ram @ 533MHz
- OR -
1GB Dual-Channel DDR Ram @ 400MHz
250GB 8MB Cache 7200RPM HDD
BenQ 16x DL DVD+/-RW Drive
16x DVD-ROM Drive
3.5" Floppy Drive
Sound Blaster Audigy 2 ZS
Logitech Z-530s

What would be the ideal configuration for the least money possible?

Do you have a case, and a good power supply?

no, im getting a case but I don't know which one, im hoping the cases' power supply will work fine?

you'de have to check with the people on here on that