Woot, I found OS 4.5 for 8330, no help needed.
Download OS 4.5.0.77 unofficially for 8830 & 8330*|*BlackBerry Sync | get in sync with the latest BlackBerry news
I'm installing OS 4.5 right now, soon to be finish.
I hopefully Opera Mini 4.1 will work so great with OS 4.5.