This should work. Hard to imagine using a front facing qwerty without this program. I had a version similar to it on my Treos (650, 680) and used on the 750 as well. Once you get used to it it'll seem like molasses to actually hit the caps and function keys. Best $15 you'll spend on your Epix.
http://software.wmexperts.com/product.asp?id=12435&n=MagiKB-Lite
Attached is the layout for the Epix.