Here is a list of 50 items to watch for, if anyone does want to try to do transmog.

I personally find it to be a frustrating and annoying market.

http://www.powerwordgold.net/2014/01...-items-on.html

Or to make it even simpler:

Don't vendor Lofty, Glorious, or Jade.

Remember bracers are worthless, helms are usually worthless, and shoulderpads its about 50/50 whether they match and anyone wants them. Chest/Legs are the big money.