I have ther HSU VTF3-MKII and think it's an awesome sub for the price.

My room is roughly 10w x 21l x 7.5h with an opening at the front to the hallway and computer niche. Fills the room with lots left over.

High Gloss Cherry
M60 VP150 QS8
Open for Auditions but please don't drool on the High Gloss