i don't know if this has been suggested before. if it has, i apologize fpr not searching.
can a mozilla style update system be used for firmware updates?
firefox has an official release of version 1.0 then a 1.1 beta which came out recently. there are also nightly builds of fennec, which is at 2.0 right now.
could nokia adopt a system where pr 1.0 could be the official release and pr 1.1 would be the official beta while nightly builds could be made available. for instance the leaked pr 1.2 could be a nightly build.

the plain old n00b could stick with 1.0 and wait for an official 2.0 or something to come out.
the slightly adventurous ones could go to 1.1
while the "on the edge" and developers could use the nightly build.

that could please all parties