Are you tired of waiting for B737 family aircrafts? Are your eyes hurting while looking at their prices at used market? Why not use a cheap alternative?
Although the range is a bit shorter, while being in a same aircraft class, it is much bigger (up to 162 seatings!) and faster (450 kts!) and it's price is 3 times lower than current B737 family used aircrafts! We are whole time talking about French pearl of Dassault Mercure!
Royal Polish Airlines guarantee 40 Dassault Mercure aircrafts available to lease/buy till mid '76 for a very bargain price of 10 000 000 USD EACH. Don't hesitate and grab your aircrafts before they are all gone!