Snap, I had the same issue, in the end I took a very big plunge and bought one on the back of some photos from Lexus Endinburgh, you can read the story in dealer reviews down at the bottom of the forum,
I have just ordered some of this Gold
I think I will cry when mine start to go, so I'm going to try a pre-emptive strike to stop it before it goes pear shaped!
Last time I did mine, I ended up with my shoes off, and must have looked from the outside like I was trying to climb into the space, freaking hard work!
It's ok if a chick asks you to go into the woods, just watch out if its not !
What about here, http://www.rothervalleycountrypark.co.uk/
Its a 'bit up north' but its massive, they do have grills dotted around for the Barbeques, just off the M1?