domain ReviewBest.com and ManageBest.com

[Domainboy]

Please appraise these domains...

Some clues from Estibot:

ReviewBest
Frequency 587,000
Anchor Text 940
Title 22,900
Search Potential/mo 2878
Valuation USD 3,400

ManageBest
Frequency 18,600
Anchor Text 35,500
Title 87
Search Potential/mo 172
BETA Valuation USD 553

Managebest dot net and org were already taken. So I also want to know if it makes the .com value increases. Does the not availability of .net and .org increases the value of the com?

Then what are these domains' value?
Thanks a lot.

 

[Domainboy]

I just register these domains...
Any thoughts about their value??

 

[Domainboy]

any idea???

 

[Domainboy]

Anyone to share views??