I can't say for sure, but it looks like the 10.6.5 update has improved WIFI. Anyone has similar experiences with the update?
I have also noticed that WIFI under Windows 7 is worse than with OS X, so I suppose new bootcamp drivers are needed to bring the Windows 7 performance on par with OS X.
I have also noticed that WIFI under Windows 7 is worse than with OS X, so I suppose new bootcamp drivers are needed to bring the Windows 7 performance on par with OS X.