A couple posts up v1.7 that is .595 based. I'm sure in a day or two Jake will have .596 rocking but takes a few days to update framework on a new release. I would go ahead and try 1.7 and see how you like it then a simple upgrade to .596 when it hits.
Droid X - Deodexed, Liguid Gingerbread 2.3, QuickClock Advanced balanced. Go Launcher and SwiftKey. Handcent SMS.