whats the difference I mean there both freakin cool:conf:

the diference is that blue has a shadow version mega... While white has ground style mega...

Blue also has Bowlman instead of Mistman, and an extra boss: Punk

And all this other stuff as well.
Different Garbage cans, Different chips,
White Blue
Mistman V1-4 Bowlman V1-4
Serenade Dark Aura
Bass Bass +
Navi recycle Folderbck
Double punishment Deltarayedge
Protoarmsigma Protoarm Omega
There are lots of other stuff too.

also some chips apear more or only appear in certian games

There are some colour differences e.g. acdc park and start menu