Friends - Season 1-10 Complete Collection (15th Anniversary) [DVD]for £25 (once VAT removed) or $40.95 usng the crapping Amazon convertor.
Cheapest price I have seen this about $4 a season pretty good.
You will need a multi-region DVD player to play these.
Edit - Looks like they are Region Free - see comment below.
These will work in an aus ps3