GP saddles have one position you can sit in, if you look at the seat there is a short flat area to sit on.
Normal looking Event saddles are GPs with a longer flat area in the seat allowing you to sit more forward and upright for flatwork, and while jumping more room to slip your bum back over a...
Would suggest you really need to try some saddles, as different heights/builds of rider will suit different saddles, and your horses way of going may influence if needs more leg/quiet leg/bracing position!
Have you got facilities to try over xc fences at home so you can get saddler back with a...
More to west side edinburgh,
http://www.newhouseliveryyard.co.uk
http://cameg.webs.com/
http://www.midkinleith.com/
http://kirklandsequestrian.com/default.aspx
there's another near snec but cannot remember name, from broxburn side past snec entrance, then next left, along on rhs in view of...