My Viper 520 is 33Mhz 020 as I said, with 8Mb RAM maximum (not expandable). The ultra-rare Viper 530/E-Matrix 530 (same thing) is 50Mhz 030, 64Mb expandable to 128Mb RAM maximum (Lemmink has one!). I think less than 10 of those were sold.
If only I could get my hands on one of those
-Mike
