Well here are some of the pros that I can pick out with the Spanish option:
- You are allocated more twin time in the DA42 FNPT II Simulator in exchange for 10 hours taken off your single engine flying.
- All your training is conducted within JAA airspace
- You'll fly 3 types of aircraft (as opposed to 4)
- No hassle of needing to meet JAA and FAR requirements with medicals/solo flights etc
- No M1 Visa interviews
- Flights to Spain are short, quick, and relatively cheap compared to flying across the pond.
The cons:
- It's around 8,000 pounds more expensive
- Living expenses in Spain will probably cost more