Oh yeah, by far I understand that. I wish the WiFi signal quality was increased though, I used to be able to do everything in my bedroom off my Vibrant with WiFi, without being consistently reminded of a poor signal or no connection on this device. Now I have to sit in odd places compared to before to get the "right" signal to work.
It seems that Google Talk gets in a mode where on the client it thinks it is still connected, but it really isn't until you initiate signing off and back on which I have had to do several times now. It is like any other device I have, a few problems here and there. The exception is that I expect now updates to be more readily available than one from Samsung