If you want shiny guis, apps and entertainment then there are numerous android phones and iPhones to choose from.
But to come onto a maemo-focused forum and say "..android should run on it instead of maemo because it is better.." is ******ed.
Why are you here and why buy an n900(if you did)?
If Nokia do decide to ignore the n900 then the community will still develop software for it. I can develop software for it - it's open source. This also means that maemo & Mer can continue to improve without Nokia's influence.