Please help me goth valley - I desperately need to find a good vet

Returned home last night to find poor floyd had another infected cyst on his bottom. He seemed ok last night, but very poorly this morning. I need to find him a good vet in Holloway. maddiekat pitufina any recommendations? Needless to say I'm very worried....

EDIT: Thank you so much for the recommendations, have an appointment for him this afternoon at 5.30p. And a good 24 hour number for future emergencies. You guys rock!!!