i recently got an iMac and im in love with it. but my past pc history has me wondering somethings.... my 1st pc with windows 98 was fast when i first got ti but like a year later it got slow....then slower.....the so slow i had to throw it away. my 2nd pc i got in 05 has xp and i was currently using but it has gotton really slow,....and i dont even touch it even more.. will my mac running os x ever get slow?? -------- and is their a tv tunner on the mac??? i can find a rf port.