My dad had a trike when I was younger. He had to sell it when his MS progressed because he couldn't afford the conversion kit to make it an automatic. It was an Arizona Custom trike and an absolute joy to ride! Here she is:
If you'd like to check out some more awesome trikes, here's a couple websites:
www.customtrikesinc.com
and
www.bosshoss.com
I am in no way a representative for either company, I just know a beautiful trike when I see one!