Sam,

Let us know what you end up with.

I have been considering the same thing. (Even thought of selling one of my 480's)

Here is some that I have been looking at-

http://www.budsgunshop.com/catalog/compare.php

https://www.underwoodammo.com/45-acp-p-255-grain-hard-cast-flat-nose/

Or this with heavier springs

https://www.underwoodammo.com/45-super-255-grain-hard-cast-flat-nose/

Glocks just don't work for me, but I may consider an XD 45 too.