I note from your profile that you are not from the US
have you checked to see if there are any companies which could rent you a K 1 or other camera bodies to try out??
If you were in the US, I would advise you to check out such companies
I have had good luck with LensRental.com out of Tennessee
LensRentals.com - Rent Lenses and Cameras from Canon, Nikon, Olympus, Sony, Leica, and more
I have no idea if they would agree to rent equipment to you since you don't live here but you could contact them to see
btw, they also will apply the rental fees to the purchase price if you decide to buy the equipment after you have rented it.