kayak - sit in? OR sit on top?

[thefishingfreak]

I'm looking at small kayaks for Bradley, for Christmas.
For Grandma's lake house and the local res.
What's better, a sit in or sit on top?
I would think sit in is more stable? (lower center of gravity)


how about this one from #^&#^&#^&#^&s?
http://www.#^&#^&#^&#^&ssportinggoods.com/pr...826&cadevice=c
or this one
http://www.amazon.com/Sun-Dolphin-Ba...s=sit+in+kayak