I can't wait for this to happen on the N900, but if it doesn't I might be reluctant to buy the Nexus 1 as my "Other" phone.

N900 needs:

1.PR 1.2 Update
2. Ovi Maps 3.0
3. Adobe Flash 10.1

If this all happens, there is no reason to have another device IMHO for a long time to come.