Wirelessly posted (htc Vogue: Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11) Sprint MP6950SP)
Another old thread brought back from the dead! lol
You will have to decide for yourself if you want to unlock and flash.

Yes, custom roms will offer performance increases over the shipped state. Take a look at some of the screenshots of the roms in the Vogue Upgrades Forum and decide if you want to take the plunge!