Different carriers in different regions will act differently and this latest rumor can only responsibly be applied to the Netherlands, but if it’s happening there it could and probably will happen elsewhere. The rumor? That the T-Mobile G1/Dream and the MyTouch 3G/Magic/G2 will get pumped full of Android 2.0 goodness by the end of January and March respectively.
This comes from a tweet by an Android Developer who posted a screen shot of a supposed internal T-Mobile forum where the moderator claimed just that:
An impossible claim to agree/deny but an exciting prospect nonetheless. Especially considering January’s days are numbered.