Originally Posted by
svtmike
I'm of the same opinion. I think the 500 hit the mark nearly square on. I only look at mine while riding, and rarely touch it except to start the timer at the beginning and stop it at the end.
I graduated from a 305 to the 500 and I find the only thing that bothers me is the start/stop button and the lap button.
I'll hit stop while on a break and I often do repeats (hitting the lap button). On the 305 they are front and centre. On the 500 they are small and on the side.
I'd want to play with a touch screen to see if I liked it, but probably wouldn't use it enough while actually riding to really get much benefit from it. Might make set up etc pre ride easier than fooling with the limited buttons.