[PPCFreak]

when flashing to custom roms, are you doing Task 29 first? then the custom rom?

Also, as a rule of thumb, I have always Task29, then on first boot I do not let XDA_UC run. I do a Hard Reset. Then let XDA_UC run my cab/reg/provisioning files load.

I see you are on Sprint so the energy rom should have the correct keyboard mapping already set.

Also, may look over the Energy wiki pages to see if anyone else has posted strange hard keyboard and possible fixes as well.
Nrgz Wiki is linked in my signature.