I have bought the exact same DIMMs as the guy from the Czech forum. Should arrive in the middle of next week.
Unfortunatelly these DIMMs didn't work for me - my MB rev. is 2B2.
I have only 1GB, but with only single chip I succeeded to overclock Peg2 to 1.33GHz
You will see - I wish a good luck.
AmigaOS: Pegasos II, Sam440ep-flex, Micro A1-C, AmigaOneX1000
MorphOS: Pegasos II, Powerbook G4, iMac G5, Powermac G5 Quad