If you are using caliper brakes, you want standard-pull levers. If you are using V-brakes or disc brakes, you want levers that pull a longer amount of cable. Standard-pull mountain levers should work fine with calipers. Some levers are adjustable and can be used with either type of brake, you might want those, since if you change the brakes later on you won't need to change the levers.
For mountain levers, I have no particular recommendation, they seem like they are all the same. If you want to have indexed shifting, you might want to consider levers from Shimano or SRAM that have the shifters built in.