Take the job, don't fool yourself that there are a lot of options around Europe at the minute with winter ahead, airlines dying, and others offering long-term unpaid leave. Any flying job is a good one at your stage of career to get hours and experience up - flying turboprops will do you no harm at all. Get as many hours on the 73 as you can before you change types, and try to keep the 737 rating current to keep your options open