Keep 'em? loose 'em?

[wxdqz]

Got a few domains and do't know what to do with them!!

Not sure if they are worth holding on to or selling on?

atastesensation.com
itsatastesensation.co.uk
itsatastesensation.com
internetnetwork.org.uk
sellandmarket.co.uk
tonetwork.co.uk
cheapazchips.co.uk
cheapaz.co.uk
expressmarketing.co.uk

What would you do with them?
Cheers