If your Ps3 isnt playing games anymore, more than likely it is the Blu Ray lens. I tried to fix my ps3 and bought another blu ray lens but broke another piece thats unrelated so I gave up and bought the new ps3..These go for around $75-$95 on ebay..I guess ill say 50 Shipped..Pics will be added within an hour..This is the KEM-400A model
http://cgi.ebay.com/ORIGINAL-PS3-LASER-LENS-DECK-KEM-400AAA-TESTED_W0QQitemZ260506916305QQcmdZViewItemQQptZVideo_Games?hash=item3ca76c15d1
There is the link where there is a compatibility chart to see if your ps3 is compatible with this lens
http://cgi.ebay.com/ORIGINAL-PS3-LASER-LENS-DECK-KEM-400AAA-TESTED_W0QQitemZ260506916305QQcmdZViewItemQQptZVideo_Games?hash=item3ca76c15d1
There is the link where there is a compatibility chart to see if your ps3 is compatible with this lens