iTUNES FOR WINDOWS

ASSETS:
Clean, smart interface; 400,000-plus songs; and you can play ’em on three different computers.

LIABILITIES: Requires Windows XP or 2000; Apple’s iPod is the only compatible portable MP3 player.

BOTTOM LINE: iTunes makes elegant the Mac-to-Windows jump. It’s the best.

MORE INFO:www.apple.com
MUSICMATCH

ASSETS:
Best source of artist info, smartest system for recommending music.

LIABILITIES: Smaller inventory than rivals.

BOTTOM LINE: Web’s coolest music jukebox program just got better.

MORE INFO:www.musicmatch.com
NAPSTER 2.0

ASSETS:
Offers Billboard charts from the ’50s to the present; works nicely with Windows Media Player.

LIABILITIES: Won’t rip CDs you already own. Some songs can be streamed but not purchased without extra subscription fee.

BOTTOM LINE: Veteran of piracy wars goes legit, but needs tweaking.

MORE INFO:www.napster.com