I noticed the availability of Haskell Platform 2009.2.0.2 and did install this and when I run GHCi it says that its version is 6.10.4.  Now on the GHC site I notice that the current version is 6.12.  Should I have installed this more recent version or  stick with what I have?  Warning: many more dumb questions to come from this guy.
 
Regards
Chris Saunders