I've recently been eyeing the mono lockit. Should I buy the tivoli pm first or a lockit? I'm 22 and I usually either carry a small purse, like pochette small OR a small wallet, sunglasses, a paperback book, wristlet as a little makeup bag, and a small agenda. Will the lockit fit all that? Is the vachetta on the lockit too much to care for? Ugh I think I might end up getting both at some point, but I'm really wondering which to get first and would love some feedback from people who own one or the other. Thanks.