Simple question from a newbie:   I've made mistakes buying cans on recommendation alone (Denon AH D2000's for example - not my taste at all).   So everyone says "try before you buy" - but where?   Ideally I'm looking for a dealer in the Midlands UK where I can listen to a good...

Hi everyone.  First post here. UK based.   I'm looking for a headphone amp and I wondered if there was any consensus on the best bang for the buck to suit my needs?  Any real category killers out there?  Maybe you can save me hours of trawling and research.   We have a little project...