advice Help picking an extension

[createmx]

Need help deciding on an extension to go with. generic-ish single word

For tech/hobby business

.biz
.xyz
.ws
.tv
.info

.org - this one I can buy, although it’s a little expensive. Just not sure if org really suits it.

 

[DomainRecap]

How much is the .ORG?

 

[cooljub]

Not sure about any of those. A few of them are a no from the off for me.
The other two biggies are registered or in use then?