Mentor HQ Units

I seem to remember being able to use a lot more HQ back in 3rd edition.  Now I've got all these guys and no way to use most of them. Still, it's nice to have the variety when building new forces.

100 Space Marine Captain
3 Storm Bolter
15 Power Sword

100 Chaplain
15 Power Fist
15 Jump Pack

100 Librarian

100 Captain (Alternate)

15 Power Fist

10 Combi Flamer

Space Marine Medic (Command Squad not completed)

Techmarine (not HQ, but whatever.)