I started my PPL off at Glasgow airport and I stay just to the east of Edinburgh!
During my initial circuit sessions I called, "Golf Kilo Golf, Downwind....." "..Kilo Golf, Orbit end of down wind, number 5 in traffic behind a TU154" and at £17 per landing I decided to move onto Cumbernauld when Leading Edge started. Glasgow was good experience but you will pay upto 1-2k more, when you add all the holding time, extra landing fees and a yearly bombshell membership cost.
Can't say I have one bad thing to say about LE! I'm doing my IMC rating with them just now, the instructors are highly experienced individuals and best of all its a friendly atmosphere with a good laugh at the weekends!
I have pictures, videos and a diary of my IMC rating on my website - this may give you a feel for Cumbernauld and the level of instruction available.