Guidance requested on first HT....

I need some help.....

I'm putting together a dedicated HT in a new home and need some guidance on projectors. I've previewed a variety of options and think that I have narrowed my list down to the following:

$800 Sony VPL-VW60 (Used)
$1,700 JVC DLA-HD350BU (Used)
$1,200 Epson 3010 (New)
$1,200 Mitsubishi HC4000 (New)

The primary audience will be my kids but I'd like to use it to watch sci-fi once in a while too so, I need it to be able to handle dark movies. The walls are dark and there is very little ambient light when the doors are closed.

Room Dimensions:
- Width: 17'
- Length: 21'
- Wall Height: 8'
- Ceiling: 12' (Slopes up at 30 degree angle)
- Seating: 16' from screen

Based on this limited information, can you provide perspective on the projectors I'm looking at and/or suggest better options?

Also, I'd like to stay around $1,200-$1,500 if possible.

Thanks!

Thanks man4mopar.

3D isn't critical and I expect that most viewing would be done in 2D. I'll take a look at the units you suggested.

Thanks