Try it if you love Jazz III's!
I have been using these EJ Jazz III's almost exclusively for a few months now and I'm very very pleased with them. As other have mentioned, they are indeed slightly thinner than the standard red Jazz III and just a tiny bit wider at the holding portion of the pick. To my ears, these EJ picks sound slightly janglier than thered standards, not warmer. The raised lettering does provide a better grip than the standard red, while not being as grippy as the max-grip version, so a sort of in-between these two. Durabilty seems to be just like the other nylon Jazz III's - they'll last a long time.
ProsRaised lettering provides better grip than standard Jazz III; durability; slightly wider size on holding part of the pick could make it better for people with bigger hands.