Mollers has an Avon Searider SR4 with a Honda 50 4 stroke on which would be good fun 2-3 at a time.
Avon Searider 4.7 with a 60 - 70hp? (but very hard to find)
Avon Searider 5.4 with a 80 - 90hp on
Loads of rib for the money, deep V hull and very fast too