Not really. There are probably over a hundred different prices, depending on when you go, where you stay, which nights you're there...
And really, we can't tell you when to go because we don't know anything about you or your requirements or needs or availability or budget...
Check out wdwinfo.com for 2007 Disney resort rates.
See allearsnet.com for 2008 Disney resort rates (only because wdwinfo is still in the process of updating that information).