you can get a 128mb graphic card in the 15 inch powerbook, it is a extra option that you will need to specify while ordering your powerbook.
and yes the 9700 is faster than the graphic chip in the 12 inch powerbook, but i dont think...
mac os x has quiet a good build in firewall and viruses spyware and such are a non-issue seeing as non exists.
the fact that mac os x has a limited user base is not the only reason why there is no viruses and such, it is based on unix...
depends on how many wall you got in your house, i take mine out with me, some palace i get 20 meters other place it get alot better range.
it really depends on the amount of a walls between your powerbook and the airport.
depends on what you running, mac os x will manage the extra ram better so the 1.2 ghz ibook will multi task better than the 1.8 ghz centrino.
but in gaming performance the centrino wins
airport configuration is much different to other routers, as apple like to integrate things with with OS. there is a airport utility that allows the configuration os ports dchp performances, you can limit the range if you want and...
