PC vs MAC laptop as music server


Hi All,
Looking for a laptop exclusively for surfing the web and use as a music server.
Will use for ripping CD's and downloading Hi Rez music files (HD Tracks etc..)
Would also use to sync to my IPOD 160gb and connect laptop to ARC DAC7 using USB cable. DAC7 connected to an all Reference ARC system.
Speakers are Verity Audio Parsifal.

Should I go PC or MAC ?
smoffatt
I would like to close this thread with an update. I have acquired a MacBook Pro. More convenient to me than a Mini. I have downloaded some albums from HD Tracks into Itunes. Playing those through Ipod>Wadia dock>ARC Dac7.
Sounds pretty darn good. I have yet to play the 96/24 tracks i downloaded. Need to convert them to AIFF first so i can play via Itunes.

Next, i would like to hook up my Mac directly to my Dac7 via USB to assess the sonic differences vs Ipod/Dock.
Thank You All for the feedback.
Nice thread.
Post removed 
Sound wise the two are very close. A more appropriate question to ask is which type of HD should you use. SS HD wins hands down vs. traditional spinning HD.