I agree with OldSub....If you really want power door locks you may have to convert to 'bear claw' style latches as well.
It does involve a fair bit of 'surgery' to your doors though.
I haven't heard of anyone using the original door locks. Someone may chime in and prove me wrong though!
These guys have pretty much everything you will need for the conversion,but at a price!
I hope this helps
Jock thumbs_up

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.