Texas Components TX2575 should be on your short list. They're largely considered the lowest noise resistors you can get. You can only buy them from the manufacturer:
http://www.texascomponents.com/
713-468-3882
FWIW, Texas Components makes the S102C and S102K for Vishay. The TX2352 and TX2575 are essentially naked versions of the S102 using bulk metal foil. Michael Elliott from Counterpoint/Aria explains the Vishay hierarchy here:
http://www.ariaaudio.com/WVVishay.html
http://www.texascomponents.com/
713-468-3882
FWIW, Texas Components makes the S102C and S102K for Vishay. The TX2352 and TX2575 are essentially naked versions of the S102 using bulk metal foil. Michael Elliott from Counterpoint/Aria explains the Vishay hierarchy here:
http://www.ariaaudio.com/WVVishay.html