Solid state is best for bouncy bouncy! On the bike before you get all excited!! No moving parts to go boink clank splat! just god ol' little 0's n 1's.
My advise is just set yourself a budget and stick to it that way you don't hit the slippery slope of 'just a little bit more for that.....'
What you could do is set yourself a budget and then remove £100, buy a point and shoot (cos lets be honest thats all most of us are really capable of and can be arsed with ) and get one of these for the bike.
or get a camera with AV IN not just out. like one of these:
and then you could have one of these:
These take great quality vids and camcorder can be safely tucked away in a tank or bum bag. I'll post some that I did when I get a min. (borrowed a friends dogcam for a week or two)
Very few about now with av in and this panasonic was one of the few when they did have it.
Good camera and I just picked up mine for less than £150 off flebay.
Hope this is of some help.