Portal: Have 2 Questions (spoiler warning)

1- what's the deal with the PS3 version? did valve say anything regarding a hardware limitation, or it's just difficult development?

2- [spoiler] is the cake a lie? [/spoiler]

1. The PS3 isn't being made by Valve, it's being made by EA-UK.

2. [spoiler] The cake isn't a lie, but you won't be getting any. [/spoiler]