My tvip.tv domain has been doing quite well recently. I knocked up my own "parking page" for it with some Google ads.
Been up for exactly 1 month today. Have had about 500 unique visitors and revenue from adsense has already covered me for the cost of regging the domain.
I think for certain .tv names, it is well worth spending a little time knocking up your own page, then simply parking them at Sedo, etc.
Anyway, just my thoughts
Good luck with all your .tvs
Alex