Have you had any offers so far?
I think that if zlio.com wanted to break into the UK market then the zlio.co.uk domain would be essential for them to obtain you could get some serious wonga from them or any serious UK competitor in their field for this domain.
I know i'm a noob but after looking around this forum I would say mid xxxx
Does anyone have any direction as to what he should do here this guy could make a packet?