If you go modular you can not beat OATS for the ground school. I have just comleted my exams with them with an 88% average. Thier instruction prog is fantastic, however I have chosen a differant school for the flying phase as I thought OATS still need to get their ducks in a line in this area. It was a tough decision to leave but I could see no evidence of having Oxford on my CV being an advantage and I have saved some money. The best thing you can do is visit the schools and talk to the students. OATS also have also recently appointed a career progression officer. If you call them and ask for him i am sure he can tell you how many airlines have approached him for prospective candidates.
Good luck what ever you decide.