Which of these discs are good,??

http://www.blankdiscshop.co.uk/acatalog/80_Minute_Discs.html

i used to buy memorex cdrs but they aint got them anymore.Now i know the TAIYO YUDEN cdrs are ment to be top noch but i dont really have the cash for them. So i was think of getting the Ridata ones which are made by ritek, but i hear the ritek cdrs aint as good as there dvdrs.