I found this great video showing some of the stability of the Spark - I didnt get a video of me and my girlfriend, but this one is hot in my opinion! lol. Compared to my 1996 XP 800 - I dont think you can even do what this guy is doing on it... check it out:
[video=youtube;BhWdgHi73k0]http://www.youtube.com/watch?v=BhWdgHi73k0[/video]
[video=youtube;BhWdgHi73k0]http://www.youtube.com/watch?v=BhWdgHi73k0[/video]