Whether you will be getting a v1 or v2 Fuze is a real pickle, if trying to rely on a posted model number. The vendor may have simply used one SanDisk description versus the other, as they both refer to the same product.
There’s another problem, one of practicality. The packaging batch might not match up with the product inside the box. We ran into this issue with the v1 versus v2 e200 devices; in this case, the difference was quite dramatic, as one machine has a PortalPlayer CPU, and the other has an AustriaMicrosystems CPU like the Fuze. They all shipped in the same box.
As the difference is more subtle between the Fuze revisions (the SOC or CPU has embedded SDRAM), there is less reason to denote the difference. With the Rockbox port, handling the revision change involves working out the internal differences, and of course this takes time. It’s the success of Rockbox that makes the revision difference significant, ironically.
Saratoga is right, the only way to be sure is to power up the wee beastie. I can’t help but chuckle, as it reminds me of the quest I had in locating a version-2 e200 to support my Audible habit. The only way I could be sure was to “go direct”, via the Sansa Store.