I saw a post here about a turbo pot - they put a heat sink on the bottom of a stainless pot to increase its efficiency. I just got it tonight, and ran it for a test.

I used the people's test for cooktops http://applianceadvisor.com/content/peoples-cooktop-test

first, a few days ago, I used a Calphalon Anodized Aluminum pot, filled with 1 gal of water, on my Viking 15,000 btu open burner, and it took 8 minutes and 17 seconds ( 8.28) then today once I got the turbo pot, I repeated the test using the same burner and it took 6 minutes and 37 seconds ( 6.61) In other words, it was a about 20% faster. I will try again this weekend, except I will try to bring it to boil to see if there is even more improvement. The Eneron site claims a 50% reduction in time to boil

http://www.eneron.us/Result.html

, which would be great, though I have to admit, even 20% quicker is pretty good. It may let me go a few more years before I have to replace the Viking. The time with the Turbo pot is pretty respectable when compared to some of the entries on the people's test. I bought it from theturbopot.com I found a few online retailers carrying the commercial products, but couldn't find many carrying the home version which is a 9 quart stainless steel pot, with a steamer insert, and a metal lid.

It costs $88 plus another $17 for shipping, so it isn't cheap, except in comparison to a new range. One downside is that I didn't see any info on returns on the turhopot site, so if you are unhappy, you may be out of luck.

Here is a link that might be useful: turbopot