If you are looking at a smaller boat, then I would advise you to get a Victoria, a Thunder Tiger boat.
It's a quick build, and sails very well. Good value too.
Plenty of info out on the web, look here for upgrades;
http://www.myrc.org/Library/Library....ilboatBuilding
and here;
http://www.victoriarc.org/index.html
also;
http://www.okanaganmodelsailboat.org/Index1.html