onboard NICs to stay away from?

[Jim Lux]

Does anyone have a handy list of particularly bad motherboard componentry 
to stay away from?

What would be useful is to know things like:

Especially crippled on-board LAN interfaces (i.e. the drivers don't work, 
it's badly implemented, no possibility for booting over LAN, etc.)

Chipsets that are just so oriented towards consumer apps that they choke 
the memory, or require some exotic (expensive) configuration, or have weird 
video card interactions, or are totally undocumented in the "open literature"


Thanks...