My reasoning behind it all is this.  Ive watched a ton of You Tube videos and many many people use these successfully.  I already have everything but the Power Resistor which costs $3.00 minimum.  With the regular DC transformer that I need with the Amperage I need is well over $30.  You may find them offered for pennies on ebay but till it comes time to purchase them in the last few seconds of the auction watch it go from $.99 to $30 in two seconds. 

The proper transformer I would get off ebay is a maximum of 5 Amps which is exactly whats needed to run.  Spose I ever fall below the 5 Amps ?  What happens ?  Does it blow up ?  With the ATX Power Supply, I have the Voltage I need, I have well over the Amperage I need 2 X over again not to mention with the 3.3 and 5 Volts Rails I can charge anything I need to charge with a USB port Im putting in the front of the Power Supply. 

If I was to pay $30 for the proper transformer Id have well over $55 into this and can buy a Dayton Squirell blower which is AC.  I originally screwed up and purchased a blower motor that is DC.  Too late to fix it now.  So Im just sticking with the ATX Power Supply again since I already have everything but the PR.  Is thinking I could go with two 5 watts 11 ohms Ceramic Power Resistor and mount them to a piece of prototyping board.