I have some new entrants to consider!
I recently received this one from ZiggerZagger:
1954_Banks_1 by
boosandpearl, on Flickr
and bought this one off ebay
1954_Banks2_1 by
boosandpearl, on Flickr
I think both have strong centering, with the more recent one being a bit better. I plan to only keep one and would love to hear thoughts from the seasoned vets on the board.