I used a Competition Electronics Pro-Chrono Digital and have been very satisfied with it until I put a muzzleloader sabot into the display! [:@] I still haven't sent it back to get fixed yet, but I called them and the cost shouldn't be more than $30 to fix.

Things I like:

Lot of memory. It'll save 9 strings of 99 shots each and keeps the memory even when shut off.

Decent array of stats, including High, Low, Ex. Spread, Mean, and St. Dev..

Allows individual shots to be deleted, even after a string is fired.

Is very reliable in most light conditions. Very few dropped shots unless lighting is really poor or the diffusers aren't used when needed.

Easy to set up and use and has a very big shooting area.

It's a great value for the $100 you'll spend for it.

Things I don't care for:

It's big, and doesn't fold down. Nowhere to store the diffusers/rods. Considering the size of the unit, it wouldn't be too hard to all a built in storage area for both.

The display isn't that big and is hard to read at 15 feet. No option for a remote display.

The front is very flimsy and doesn't tolerate sabots very well. I piece of clear plexi-glass would cure that problem.

I also have an older F-1 Shooting Chrony that I never use. It's a real POS that I picked up for just a few dollars on Ebay. Reads maybe one in 3 shots, tiny shooting area, and tends to show wild velocity variations with regularity. The newer F-1's are probably a whole lot better. Mine is several years old and I believe the first F-1 model made.

Mike