Thats not a lot of questions, that's only one silly! Well, what froyo ROM are you running? I would suggest checking out what different ROMs have to offer. I use Ultimate Droid eXtreme 6.0.0 because it is smooth and has a LOT of sweet customized options, like fonts, wallpapers, boot animations, and themes (can be found at BlackDroidMod.com). Then why not flash my Luna Theme too!
You might want to look into some apps for only root users, like Root
Explorer (file browser for your phone), or WiFi tether (broadcast internet from your droid), or SetCPU (to overclock after flashing a kernel). MAKE NANDROID BACKUPS SO YOU DONT EFF UP YOUR DROID!!!!