Here are a few links to check out for your different needs.
Apple
MobileMe
Mactopia
Jabber
Service:
Pufftup
(Currently
Unavailable...please check back soon)
Forums:
Maclantic (Icelandic)
MacRumors
Mac News:
MacBytes
MacDailyNews
MacWorld
MacLife
MacCompanion
9to5mac
Mac Rumors:
HardMac
AppleInsider
Mac Antivirus:
ClamXav (Free!)
Intego Virus Barrier X5
Mac Desktop backgrounds.
The Apple Collection
Mac Desktops
Mac Gaming:
GameRanger
Aspyr
Macsoft
Mac Hardware:
Apple Service Manuals
Mac Photos (Japanese)
iPod:
iPod Lounge
Web Design/Hosting:
ibdesignstudios
machighway