The PS3 is not a bad Blu-ray player and I was considering getting the new 80g but couldn't justify getting it due to these reasons.
1. PS3 can NOT have any AV component stacked on top of it due to it's shape.
2. Most people have complained about the loud fan noise when the high-speed fan kicks in when the PS3 gets hot during a Blu-ray movie playback.
3. Need to buy special equipment to allow the PS3 to be navigated by a standard/universal IR remote.
4. High power consumption = more heat generated
BD30: player uses
25W energy while playing a Blu Ray disc.
PS3 40go: Consumes 135W of energy while playing a Blu Ray disc
PS3 60&80go: Consumes 180W of energy while playing a Blu Ray disc
PS3 max power consumption:
-------------------------------
40GB - 280W
60GB & 80GB - 380W
5. Due to it's excessive heat disappation, the PS3 can not be installed in an enclosed or confined AV rack/shelf since it requires 'open air' ventalation so it doesn't heat up or heat up other AV components.
6. Pinch roller disc grabber instead of disc tray that doesn't physically touch the disc surface.