What's involved in replacing a drop-in range with a slide-in unit?

My current ancient down draft Jenn-Air has finally been authorized to
be replaced by the home warranty company. They are offering the
slide-in model
http://www.jennair.com/catalog/produ...t=69&prod=1464 and my wife
wants it. They won't pay for any cabinet modifications so that is upon
us.

Is there anything more than cutting out the baseplate of the cabinet to
allow it to go into the cavity? I don't know if a slide-in is
considered free standing or has to slid onto rails built into the
cabinet enclosure. I don't know if the old one is hard-wired or if
there is a receptacle. The exhaust goes out through the wall to the
outside of the house.