I own both. One computer i built myself (PC obviously) and an Ibook G4.
each has their ups and owns, and i use both equally. i use the laptop on road trips because it fits perfectly between the seats in my truck. and i have an aux port so i can plug my laptop into my truck and listen to itunes.
My PC plays all my games and runs my 24/7 server. I love the thing to death. dual monitors, 5 speakers, my X52, etc... the only thing it cant do is overclock (damn mobo!!) not im not complaining [mumbleunderbreath]damn mobo[/mumbleunderbreath]

i can vouch for either, hoever i do lean towards the mac side just because of the interface of the OS, and i've yet to see it crash that i didnt do on purpose.
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ok here's the biggest catch, since mac has 90% something less virusses than windows, im suprised why dont people fork over the extra hundred dollars for that much needed security?
but when in rome.... ?

Ramos