HTC Thunderbolt

Well my brother is getting a phone, and he is going to give me his old HTC Thunderbolt (Verizon).

 

I have only ever had a jailbroken iPod, and I need to know how to do stuff on Android.

 

My brother has it rooted, custom ICS ROM, etc.  I personally I want to completely wipe his stuff off.  

 

After doing that I need a new ROM, because I do not want to be on 2.2.  So what ROM would you guys recommend?  Also, what are some must have apps/tweaks/etc?

I don't have any personal experience with the HTC Thunderbolt but here's a list of ROMs to get you started. I recommend this forum for any rooting/customizing:

http://androidforums.com/thunderbolt-all-things-root/310708-thunderbolt-rom-list-updated-11-9-a.html

As for apps here's what I recommend:

Clockworkmod - ROM management
Root browser lite - file management
Notifier - scheduled notifications
Norton Anti-theft & security - worth every penny
PdaNet - Tethering
MightyText - Allows you to send/recieve text from your phone through a desktop web browser
Mobo Player - Video Playback
Winamp - MP3 Player
Zedge - Ringtones
PicSpeed Wallpapers - Wallpapers, duh
Ledgerlist - Checking registry
Out of Milk - Grocery list
Alarm Clock Ultra Free - Best alarm clock I've used
Go Power Master - Smart Battery Manager
Fastbook - Better facebook browsing
TeslaLED - Multi function flashlight app
QuickPic - Fastest picture gallery out there