Domain value is all about perception. If you really want to pimp it, become a regular at Adage.com, posting comments everyday. Talk about how valuable it is, the seo benefits, yada, yada.
Find the CMO of a Fortune 500 who believes it as anything below 6 figures is consider sofa change.
Spend a couple of hundred for a press release at PRWEB, get on some podcasts. Not that shitty free PR stuff. Try Jack Humphrey's publicist - she aint cheap but she'll give it exposure.
This is a no-brainer for an end user but trying to sell it anyplace else would yield low, roi - IMHO.