TYG02:
http://apparat.ap.funpic.de/viewtopic.php?t=402
Ok, it´s burned with NEC 3500, but 300 is still high for the TYG02. See often scans with less PIF
Ridata G05:
http://apparat.ap.funpic.de/viewtopic.php?t=171
Still not excellent, but much better that your´s
I agree that the Ritek are not top-quality, but over 4000 PIF looks very high, even for this disc.