I always carry one of these:

Spyderco Native
Spyderco Delica
Benchmade Mini Grip
Kershaw Scallion

I have the serrated and plain versions of each, depending on where I am and what I'm doing.

I also always carry one of these:
SAK Recruit with homemade African bloodwood scales
SAK alox Soldier
SAK alox Cadet
SAK alox Bantam
SAK Small Tinker

I also always carry one of these:
SAK Classic SD
SAK Rambler

I also always carry one of these:
Leatherman Fuse
Leatherman Juice S2
Leatherman Squirt P4

I have a bunch of knives and multitools, but these are my current favorites.

Kevin B.