domain HI, every pro, I am puzzled

[only.domain.name]

HI, everyone that I consider as namepros here,
only.domain.name and OnlyDomain.name and OnlyDomainName.com
I reg them and trend to develop them by myself.
But I am puzzled, and want some appraisal
Pls give me your professonal advice.
ARE those name worth to sell or develop, and HOW MUCH or HOW?

 

[x11joex11]

well only.domain.name is unlikely anyone would type it in =P, and onlydomain.name is interesting, and onlydomainname.com might might be worth developing, though keep in mind anything more then 2 words is hard to remember and significantly lowers it's value, on only.domain.name I say reg fee, on onlydomain.name, if you get the (s) version to go with it low $$-mid$$, and onlydomainname.com with (s) as well, worth high $$-low$$$