The warranty thing seems to be largely a matter of opinion, so if you're happy with it, don't let someone else talk you out of it. Certainly you'll be happy with it if it happens that you end up
needing it.
I'd let the thing charge until the charge light above the power slider goes out.
Installing the ConnSoft is pretty straightforward as long as you aren't using the 64 bit incarnation of Vista.
Glad we could be of help, and I hope you'll enjoy yours as much as I've enjoyed my own. Stick around, there's still a lot of good stuff going on around here.