<<
<< You're too vague. What features are you looking for? >>
I agree, more info would be nice. But still, here would be my choices...
1. Iwill XP333-R
2. MSI NForce K7N420
3. Tyan Tiger MP
4. ECS K7S5A
5. Shuttle AK31A
All offer the same performance (within a couple percentage points of each other).
If stability is mission critical for you, I'd get the Tiger MP.
If price is your biggest issue, I'd get the K7S5A.
If you want to overclock, I'd get the XP333-R.
If you want a feature rich and stable board, I'd get the K7N420.
If you want the absolute fastest board with 4 DIMM slot options, I'd get the AK31A.
However, it still depends on YOUR needs. >>
Your selections are good, but leave out excellent contenders like the ABIT KR7A-133 or the Soltek SL75-DRV4.