We're trying to remain quite tightly focused on Open Source desktop 
productivity applications.  Until we have enough folks cranking out 
substantial chunks of Office replacement products, it would be kind of 
irresponsible for us to start tackling other products too.  (Not to mention 
that we're thoroughly satisfied users of CVS.)
However, the product I think you're looking for *does* already exist, and 
it's called SourceOffSite.  You can buy it, today, from SourceGear, the 
company who's been quietly sponsoring AbiSource since our inception.  
The overlap between the AbiSource folks and the SourceOffSite folks is 
essentially nil, but I do know enough about SOS to say this:
  The SOS client was ported to GTK a long time ago by some very talented 
  engineers I know personally, and runs on both Linux and Solaris.  AFAIK, 
  it's one of the few shipping proprietary products to have done so.  
For more information, please see the SOS website:
  http://sourceoffsite.com/product.phtml
Since this thread otherwise has nothing to do with AbiWord, further 
discussions should move to one of their mailing lists.
Thanks,
Paul