PSP:
- Lacks any games worth playing
- Terrible battery life
- Lacks dual joysticks for playing shooter games and other games that could utilize 2 joysticks
(I'm not trolling, I'm being honest)
X360 (I have the new one, so reliability isn't an issue):
- Honestly I can't think of anything besides that I have to pay for Live. Its a great console. I would say it lacks 1st party support, but has plenty of 3rd party support
PS3:
- Lacks cross-game chat, and the online in general just isn't as good as Live IMO
- It doesn't let me change the MAC Address (like the 360 does) so I can't use a wired connection at university, just wireless which isn't as reliable where I am (sometimes comes and goes).
- Long updates, slower loading time of games







