Someone asked me the difference between the Sansa e200 and the Sansa e200R (Rhapsody support) models.  What they were really asking is whether or not the e200 could be "turned into" the e200R with a firmware update or other easy change. 

I did some digging, and it appears that the answer is no.  They are totally separate products.  One supports Rhapsody (transferring Rhapsody channels to the player) and the other does not.

Thought I'd share.