Car Audio -- 50-70% off
Home Audio -- not sure, ~20-30% off?
Home Theater -- not sure, bought a $4000-$5000 LCD HDTV a year ago and paid like $2000-3000 IIRC
Computers -- jack
Computer hardware -- mostly jack, decent amt off video cards
Computer accys (cables, etc) -- 70-90% off
Music/Games/Software -- jack
Cell phone -- ~20-30% off
30 day wait from hire, I believe that is waved (A) if you're an "occasional/seasonal" hire or (B) if you are hired near the holidays
Its a benefit, but not worth working there alone.