The steering can be had by all the big Co. very easy!! WestMarine, Boater World, Overtons, ect. clink the link below to read all about it!
http://www.wellcraftv20.com/cgi-bin/...num=1058546073
Changing the wireing is a task in any boat!! But cuddys are easier IMO as you don't have to run all the wires thur the tube in the floor!!.
I did my boat myself last year and if you just take your time you will be OK.