For the people that havent gotten emails from them, if you follow p3's twitter he said gmail only allows a certain number of emails per day. Give it time, it will get there.....
1) If you got the download from firefox mobile it is the latest version and will give options of yummy leaks gingerbread .596
2) the cable is designed to allow maintenance functions to be performed when connected that you wouldn't be able to do with your regular usb cable. If you don't understand that last statement the nyou don't need the $50 cable.