very interesting indeed! in would like to introduce you to a new online service called Mind360 (www.mind360.com). It is not fully released yet, but it is approaching the scientific brain training products from a more friendly and fun aspects. Mind360 is doing it without compromising on the scientific side (you can also read about it in www.mind360.com/blog).
Do not hesitate if you need more information: firstname.lastname@example.org