http://www.blankdiscshop.co.uk/acatalog/
this is a uk company but im sure they post to europe
best disks i found r white label 1x record 88 p each
or traxdata 1x record £1.09 each both these 100% success rate on all ps2 evev v3
chioce 2x media £1.05 works v5 np v4 and v3 wont load
there new white label 2x disk (first gen 4 disk (£1.10 (not tested these yet