R interface to SEXTANTE?

Dear all,

I was wondering if anyone was aware of and/or developing an interface to
the SEXTANTE (www.sextantegis.com) library, along the lines of spgrass6
or RSAGA?  Also, if (as I think) no such project exists, I would be
interested to hear from anyone else wanting to collaborate on the
development of such a package, or has suggestions/wishes/ideas.

All the best,

Nick