Yes i do believe that it is down to net issue in some parts. The more than occasional Vista pad is very irritating here.

This is what i believe:

D-PAD issues [Patch issue]

Cambodia [Just a completely insane race, no real error there]

Micro Freezes [Patch issue]

Ultra Heavy Ships [Patch, Connection speed issue]

Vista Pads [Connection speed issues]

Windows BRs [Connection speed issues]

I think there is enough of these to create a thread here.