Taken from Sandman's thread for my quick reference.
Here is a complete breakdown of what I spent on this entire project. This does not include the cost of a screen yet...
In case you missed it in the beginning, my room size is 15' x 20' x 9' ceilings or 300 square feet.
========================================
Plans
$150.00 for Renders of Room
Total Planning Cost: $150.00
========================================
Heavy Construction Materials
$560.00 for framing lumber
$934.50 for 89 Sheets of 5/8" Drywall
$1,208.75 for Plywood, Insulation, Joists, Silicone, roofing felt, etc
$60.00 for Foam on the roll
$48.00 for Red Head Anchors
$100.00 Nails, Screws, Glue, etc
$75.00 for Taping/Mud
$240.00 for 4000 lbs. of Sand for Stage
$65.00 2 Day Rental of Drywall Lift
Total Heavy Construction Materials Cost: $3,291.25
========================================
Finishing
$720.00 Veneer, Glue, Stain, Sealer, etc.
$565.00 for quarter rounds for 6 columns
$78.32 for Particle Board for columns
$95.00 Red Oak Plywood for Base Boards
$1,120.00 for the GoM Fabric
Total Finishing Materials Cost: $2,578.32
========================================
HVAC
$250.00 for Ductwork installation
Total HVAC Cost: $250.00
========================================
Electrical
$499.00 for Lutron GRX-3106-A Grafik Eye
$820.00 for Fiber Star Ceiling supplies
$625.00 for 125 Amp Service Box Installed
$75.00 for 200 Feet of Smurf Conduit and Clamps
$261.23 for Xantech IR repeater
$495.00 BTX MotorDrape
$183.00 Romex/Cat 5/RG-6/
$189.53 11 High Voltage Recessed Lights
$200.00 for 500 feet of 10 Gauge High Definition Zip Speaker Cable
$180.00 Outlets, Boxes, Conduit, Switches, etc.
Total Electrical Materials/Labor Cost: $3,527.76
========================================
Treatments
$1,210.00 for 7 Cases of Green Glue
$850.00 for Accoustic treatment materials
Total Treatments Cost: $2,060.00
========================================
Misc. Labor
$3,200.00
Total Misc. Labor Labor Cost: $3,200.00
========================================
Finishing Touch's
$1,470.00 for Carpet installed
$4,600.00 for 7 Leather/Microfabric chairs Delivered.
Total Finishing Touch's Cost: $6,070.00
========================================
Total of everything up to the carpet (Without the Chairs) $16,527.33
Total of everything up to the carpet (With the Chairs) $21,127.33
========================================
Equipment
Speakers
2 Martin Logan Odyssey's $6,350.00
1 Martin Logan Theater $2,800.00
4 Martin Logan Scripts's $3,200.00
1 Velodyne DD-18 Sub $2,800.00
Rack Gear
1 B&K AVR-507 Processor $2,800.00
2 B&K 200.1 Monoblocks $1,600.00
1 Pioneer DVD-59avi $850.00
1 HTPC $2,600.00
3 Sony DVP-CX777ES Jukeboxes $1,600.00
1 Monster AVS 2000 $1,100.00
1 Zenith HD-SAT520 $625.00
1 xBox 360 Premium $680.00
1 4:1 OPHIT DVI Switcher $314.00
10 Custom Rack Shelves $864.12
1 Equipment Rack $730.71
Misc Equipment for Serial, Switching, Rack cooling, IR etc. $300.00
Wires $830.00
1 Optoma H-79 Projector $4,100.00
1,000 DVD's $15,000.00
$34,143.83 For Total Equipment (Not Including DVDs)
$49,143.83 For Total Equipment (Including DVDs)
-------------------------------------------------------------------------
Total Cost of Build, Equipment and DVDs for Theater $70,271.16
-------------------------------------------------------------------------
I still need to build the Entrance to the Theater. I am doing a Marquee Entrance. I'm going to budget that at $1k