I have recently decided to get a new gmail account which I am going to make my primary gmail account. I really am trying to switch over completely but for now I am just forwarding everything from the old one to the new one and just using the new one.
ANYWAY, so I added the gmail acct to my droid and discovered you can't simply switch gmail accounts (I'm sure you knew this). Well Ok, I can keep both I suppose, but once I added my other account, I stopped getting notifications and I think both addresses aren't synced properly now. I went back to sync them, and nothing happens. I have mail on my laptop but not on my phone.
I google'd this problem and all I could find was going into your app manager and clearing your storage data. This worked for a while now it's back to not being synced.