Nah, just start messing around with beans. :-)
Although I've grown fonder of the Cerrado in its own right since last year, I'm also less excited about it as a blend base than I used to be. The Mokha Java style two-bean blends are the ones I've had the most enjoyment out of, and I have in fact tried that style substituting the Cerrado a few times when it was on hand. Maybe it's because I genuinely like the slightly funky wet-hulled profile, but IMO it's better with Indos. Best combination I've had would probably be last year's Sharasi with last year's Java Kajumas - amusingly, I recently finished off the last of those two lots, and while I have the current year's crop of both, I haven't roasted either yet. Maybe I should try to schedule that one of these days...
With the clean, bright fruits of a Kenyan I don't think that sort of blend works as well. You could try it with the Cerrado, but the most interesting Kenya blend I had last year was probably the "African Summit", a blend of a nice bright Kenya with the Rwanda Dukunde, the latter roasted darker (FC, maybe FC+). A more traditional approach would be something like the three bean blends in the guide, with a nice CA keeping the Kenya and Cerrado company. I've had ad-hoc, end of the jar blends that were loosely inspired by this sort of scheme, but never set out to roast with the specific intent of a three way blend.
Sweet Maria's, Behmor, Maestro, Bonmac, CCD, Pavina - fun AND good coffee