I never buy wood-mounted anymore unless that is the only way the stamp comes. Then I will search for a similar stamp in clear (not clear-mount, but clear photopolymer) for months, and if I can't find anything, THEN I buy the wood-mounted stamp but I unmount it as soon as I get it.
But since you prefer wood, if I were you, I would just go ahead and get the wood even if it's more expensive.
Faites l'amour, pas la guerre, ...ou alors, faites les deux : mariez vous !
ards for troops