Apart from the ones already mentioned, I would throw in Jack and the Beanstalk, Netent. Seems to give a good amount of playtime, especially with them bobbin wilds. *Can* also produce spectacular bonus rounds but getting those three scatters seems awfully hard on this game sometimes!
tell me about it, when started playing it few months ago hit bonus alot)no big wins), now i can't fit the f*cker on any site, i must have spinned 1000+ times not hit it on 6/7 casinos