I think theres about 50 of these threads going. But I'll help you out a litle bit. If you want straight SPL I can't really help you. But for subs that can go either way.
Adire Shiva
ED K
ED B2
RE SE
RE HC (If you can still find one cheap)
Just port any of those relatively high, 33-38hz and it should get pretty loud with the correct power.