I've dropped in either for a coffee or to pick someone up on numerous occasions and have always been impressed by the general friendly 'buzz' of the place.
The girlies on the radio are very pleasant and the (limited)grub is good.
I got talking to a stude who was waiting for his instructor last time I was there and he was pretty enthusiastic.
I should say it's a great place to learn accurate navigation, situated as it is snugged under Stansted's airspace.
Cusco.