i just disabled the blockbuster from running.
Actually, the TBolt is really a fast phone. So it is perplexing why yours might be acting this way. Unless there is something in the background bogging it down.
Normally, app/task killers are a bad idea on Android.
Occasionally, if battery saver apps are configured wrong they can be bad for performance too.
Anything that runs all the time in the background can slow performance. The Blockbuster app is one of the very worst. But you should normally only configure apps to do background updating if you really need it. Mail is an example of one you'd probably want to keep running (checking) in the background.
How many mail accounts did you configure? Are they with Activesync, IMAP, POP, or Google/Gmail? Frequency of email checking?
-Frank