4l60e transplants?

I'm going to use an aftermarket controller, so I want to retain electronics. It'll be behind a 5.7 hemi with efi, so the new technology is sort of a theme ;) I have no issues with running a 4l80e, they are unbelievably stout, but from what I understand they are bigger than the 60's and tunnel modification is already going to be a chore. Keisler rates their modified 60e at 650 ft.lbs, which is just about what I want to run. It'll be a street car as well, no drag racing, just tight turning. With their trans I can paddle shift and have engine braking as well, all the while being able to turn it all off and let it shift itself when I'm just cruising. It's exactly what I want!! EXCEPT I want to use that floor console. Can anyone inform me of just what the floor console material actually is? My car was a 3 speed auto column shift, so I will have to find a console to put in it anyways, but if the material is just like a plastic I could probably just cut it to fit around the new tunnel. Any thoughts?

Thanks,
Ryan

P.s. I'll post up some pics of the car in the members restoration thread fairly soon once I get my suspension from bill and get it installed so the car is on the ground.