They seem to be a well managed outfit, I've not heard anything particularly bad. No other outfits like this left in the UK as the rest have either been bought up or gone bust.
Although with all schools, their prices are slowly creeping up, now not far off the cost of an integrated course at the bigger schools. Also note the "under 100k" marketing has quietly disappeared.
I hear they have some issues with aircraft airworthiness but seems rather minor considering the fleet availability.