Not particularly enamored with the 27-2, don't care for the 8 3/8' barrel. However, you can buy it now and shoot it, then sell it later for a profit. The K-22 to me is the first one I would go after. Great revolver and fun & cheaper to shoot.
If the 27-2 was a 3.5 inch then I would be tempted to buy it first. Would try to bundle both into one deal if I could afford it.