I tend to use a putter for a long time before switching. I do add and subtract lead tape occasionally.
The two Bulls Eyes I've not used much. The Response I've used the most, off and on.
Acushnet Bulls Eye La Feeme
John Reuter Jr. Design Bulls Eye
Odyssey 3300
Ping Scottsdale TR
Ping Piper
Heavy Putter A3-M
MacGregor Response