Foget about PremiumDomains.com, they rate many domains as "premium" when they are not premium. I'd value this name around $10
A valuation site values one of my sites at over $15,000 - It's only a few months old, does that mean I should try to shift it for that much... well no I shouldn't. bottom line is those sites are not worth a crap and people like yourself get suckered in and think they own the next google.