That SX-1 auction includes the rare FMV. I sold the FMV with
manuals and original box for 202 USD last fall on eBay.
But it has ro be said, that a SX-1 with 8MB Fastmem won't work together with the FMV-Modul. The FMV will take away 4MB Fastmem-space for his own memory.
AND you need a stong PSU with both expansions connected.
3rdly. The price is IMHO to high
