You can't flash roms without a custom recovery image and bootstrap is the way you get it. What do you mean what's wrong with your current rom?
tappin and a talkin
Minimal, and I really mean minimal reading in the faq forum and all your questions will be answered.
Droid X - Deodexed, Liguid Gingerbread 2.3, QuickClock Advanced balanced. Go Launcher and SwiftKey. Handcent SMS.