[link|http://www.calphalon.com/calphalon/consumer/jhtml/stainless.jhtml|This] page at Calphalon talks about the way to use stainless steel pans. They have a comparision of stainless, aluminum and copper pots (Products->Get Kitchen Smart [it's a Flash popup]. They each have their own advantages and disadvantages.
HTH.
Cheers,
Scott.