Best Powercord - SIZE Matters along with price ???

Pure Note Paragon. Very flexible and small OD. Wonderful cord at twice the price.

For your needs.. you should check out the Crystal powercables from Hollard.

http://www.crystalcable.com/

Models Function Connectors Diameter Standard
Lengths*
CrystalPower High performance powercord; rating 600VA@230ac; Safety test 625V; 10A AC to IEC 4mm
(1/6") 1m; 1.5m
CrystalPower Reference High performance powercord; high power rating 2300VA@230ac; Safety test 625V; 10A AC to IEC 4mm
(1/6") 1m; 1.5m

Blue Circle powercords are very flexible and sound great.
http://www.bluecircle.com/index.php?menu_id=55

If possible have a qualified person install an IEC outlet if there is room to do so. You could always use a captured cord converter sold by the locus design group that advertizes on Audiogon. Lee is very nice and easy to deal with. The "converter" only uses 3-4 inches of your captured cord and has an IEC end that will accept any 15 amp PC.

I can also attest to the Locus Design Schurter in-line iec adapter. It really makes it much easier to try out a variety of power cords. I can also 2nd Jayctoy's recommendation for the new DCCA power cords. I have just ordered two of the basic Extreme model( $189.00) retail and I am amazed at how good they are(I'm a long-time power cord nut). The dynamics, transparency, neutrality, and soundstage rival or exceed name brand power cords that cost $1000.00 and more. Watch out for this company. The designer and owner Don has a real "sleeper" on his hands. Good luck.