Whilst destroying the PS3 was definitely a dumb thing to do, you guys can't seriously be thinking she just decided that after a day or two of not getting 100% attention she snapped and went at it with a hammer for no reason...
She says he's been on the couch for a few months, not coming to bed and giving her some attention and expecting her to do shit for him in the middle of the night.
I've actually been in this exact situation before, although the missus didn't bust up my comp, and I actually had a job to pay for shit with... Although she did sell my SNES T_T
The logical response would have been something more along the lines of "Hey baby? You know all the shit I've been paying for lately? I need you to pay for some shit now too because my credit card is maxed out from keeping your ass off the street. You've got 7 days."
Then he either gets a job, or after 7 days, she sells his shit.