I need someone to hold my hand...again

[BigRedGonzo]

I plodded through the recent HTC Titan upgrade and got the GPS working all by myself. Thanks to the posts of many persons. I would like to end up with pretty much the same thing as I have now, but with Windows Mobile 6.1 Professional. Can (or will) someone please walk me through what I need to do? I was told that I would need to flash a new custom ROM, and I have searched, but really don't know what I am looking at (or for.) I would prefer to find a ROM with the GPS stuff already done, with Windows Mobile 6.1 Professional that is similar to what came on my phone from Alltel.

Thanks,
BigRedGonzo