The tech sights are a cool add on for a 10/22, depending what you want to do with it
http://www.tech-sights.com/No dak spud also makes them for bull barrel 10/22
http://www.nodakspud.com/I picked up a marlin recently and also put the tech sights on that but haven't used it, it is certainly an economical plinker. Not sure how the quality has been since marlin basically got shut down and merged with Remington