My only thought, and I'm not picking on anyone, only thinking out loud; how can you count it as a full rep if you don't have a fixed starting and ending position? ie. racking the bar across the clavicles and going to lockout. That's why I always TOUCH MY SHIRT on bench preses. It gives me a sense of a full rep, and keeps my weights honest.
Don't know that it matters. Do what's best. I may even start lowering the bar to my chin, just to get some numbers moving.
Bogdan Petia Sarac - Must keel moose and squirrel
Cancer Survivor - 7/21/10
Benchmark 5K time: 27:45 (3/5/11)
It's not the weight we move, but the people we move that matters. -- Bearded Beast of Duloc (12/31/10)