IMO, if you are using polearms use thrusting polearms. Don't bother with swinging polearms - if you want to swing, 2H is much better at that. Pike, awlpike, some forks, they are all good. Use with both hands.
And of course, you want heavy lance. Horses are stronger than ever - also, difficult to upkeep, but stronger than ever. You want one from time to time.