250k pots with single coils
500k pots with humbuckers
Or play around with them.
Caps simply control the frequencies that get rolled off to ground in the tone circuit.
I like my volume and tone pots to offer some kind of smooth mechnical resistance, ie, I like to feel like I have to put some effort into turning them. They should still turn smoothly, but I don't like them to just spin around freely.
Other than that, I'm not too picky.