I go with the 3.25" pots, like the sound I get off them the best. I can't say I have a preference on wood really. But I do on the sound board used. I really like a cherry wood sound board, purple heart striker, custom made for me by
http://www.gobblestalkercalls.com/"GobbleStalker Calls". I will vary a bit with different strikers to get the different tones. I don't really care for the two piece strikers though. I use this call pretty much 90% of the time with a glass with slate sound board for a back up.
I just find it so much easier when in the field to resurface the slate call, get better sound and able to do more with them.