you just need to decide on rules that you are comfortable with. Obviously, don't let your little one play with the Leappad all day long ... but schedule it into your daily routine maybe so you get the most benefit out of it as does she. I really love the way all the Leapfrog and Vtech educational games are done. I would never use them it it was just for play but I truly believe they can be used as one of many teaching devices. ... that said, I think I've tried every little electronic kids gadget out there (never used an iPad) ... and the only one I do NOT like is Innotab (at least last year's version) ... it's similar to Leappad but made by Vtech. Leappad seems to operate a lot smoother and out of all toys we have, Innotab is the last choice for both of my boys.
this is what our boys are getting for Christmas ... and I can already see them fighting over it! ....
http://www.toysrus.com/product/index.jsp?productId=13103978&cagpspn=pla&pla=plat ... (I got it for a better price, btw) ... the reviews are mixed but I think most negative comes from people used to iPads since it's a step back ... but it's designed for kids ... and you can download aps from the Android market. I have to take it out of the box and do a test run. My 2.5 year old is very strong and not the most careful so I wanted something that would be more child-resistant! lol