lol im watching beverly hill cop on dvd while warming up the ps3 for some sf4.
Good idea above i will try greesing the rails wen i next open it up!
Cleaning the lens doesnt help tho! :-(
Have you checked that the anti-static solder bridge is removed correctly? Make sure you remove any flux left over on the contacts.
Best practice when stripping a DVDROM - always clean and grease the mechanism as dirt and lack of lubricant can contribute to early laser wear.
Get some silicon grease off ebay for about 3-4 quid. Worth every penny..