Well, I just bought three Bleecker wallets to match my purses, but I doubt I will keep any or all of them. I ALWAYS buy the matching wallet and then more than 50% of the time I return it. I am just not a wallet person, but would rather buy it at the same time and have a choice than to REALLY want it later and not have the option.
However, if you really use wallets you may want to get one Coach wallet that isn't too matchy to one particular bag, or that can be used in purses that you really want/plan to buy.
For example, I have a hot pink leather wallet that I bought at an outlet two summers ago that didn't match my purses but that can be used with most of my purses. Or buy a basic signature wallet.