Here's a handy-dandy guide to help you determine whether or not wet tumbling is for you:
1) Do you clean primer pockets after every firing?
2) Do you live in an environment where the noise of a vibratory tumbler could be an issue?
3) Do you live in an environment where the dust associated with a vibratory tumbler could be an issue?
4) Are you planning on reloading for a long time, and are therefore able to rationalize amortizing higher initial start-up costs over your lifetime by saving on per-use costs related to consumables? (I.e.: tumbling media)
Then wet tumbling might be for you.