Out of curiosity... do you think you are funny or is this some sort of initiation rite for you? Which fraternity do you get to enter if you make it through the merciless hazing?
For nice cracks I heard there is a spot by Guadalajara with andesite columns, sort of like the Crooked River Gorge but 3 pitches high... Around the Potrero itself expect sketchy massive looseness on trad routes (this is where Jose Pereyra died while trad climbing - rock broke, chopped rope)
"Aw, yeah yeah yeah yeah yeah"
Don't forget to bring a pad and hit up the Quantum Fields. And Wanaka. Wanaka is cool.
Go cragging south of Mount Cook in the Twin Stream area. Solid rock and no tourists just locals.
Kurt a) overstayed his welcome and treated the Mexicans like wetbacks until they gave him the boot; b) was the best thing that ever happened to Potrero Chico and after building up the climbing potential of the area, was screwed over by his local partners.
Which version of the story you believe is up to you.
Papoose One! While the hordes are queueing up Centrefold you can be permanently damaging your knee in the flared chimney next door. Then you get not one, but two traverses, a slab, and sweet hand cracks too.