Lots of stuff has electric PAS nowadays - lots of Fiats/Lancias/Alfas, Vauxhalls, VWs, Audis, some MGFs. All NSXs have it, as do S2000s.
Here's an install on a Scimitar using Vauxhall bits:
http://www.v8church.co.uk/mods.html
Problem is loss of steering feel.
Phil