Found a Project. Am I missing anything?

[icor1031]

http://www.zaphaudio.com/audio-speaker18.html

So, I want to build this because it's cheap and pretty flat, and I can put it on my wall. I don't like that it's aluminum, but hey, I can learn on it and I'm sure it will still be good.

First question, he doesn't state how many watts on the resistor. Will mine burn up?

Second question, would I be better off getting the electronics on ebay from the chinese?

Third question, am I missing anything?

2x HiVi B3S
http://www.parts-express.com/pe/pshowdetl.cfm?&Partnumber=297-427&scqty=2

2x Solen 4.3uF 400V Polypropylene Capacitor
http://www.parts-express.com/pe/pshowdetl.cfm?&Partnumber=027-550&scqty=1

1x Resistor 10W 4 OHM Wire Wound 5 PER BAG
http://www.mcmelectronics.com/product/DISTRIBUTED-BY-MCM-47-4-/47-4

2x Dayton DNR-30 30 Ohm 10W Precision Audio Grade Resistor
http://www.parts-express.com/pe/pshowdetl.cfm?&DID=7&Partnumber=004-30

2x Jantzen 0.10mH 18 AWG Air Core Inductor
http://www.parts-express.com/pe/pshowdetl.cfm?PartNumber=255-202&DID=7

1x Acousta-Stuf Polyfill 1 lb. Bag
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=260-317

2x Square Speaker Terminal
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=260-297

2x Jantzen 0.80mH 20 AWG Air Core Inductor
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=255-044



And of course the PCB, which means I have to get my laser printer out.

Thanks!