The K1 is certainly a fine camera, but it is let down for the lack of lenses, as a system.
IMO, in terms of portability and small size, it is hard to beat the Sony Alpha 7 these days. Quality sensor matched to quality native lenses, from several sources: Sony, Sony-Zeiss, Zeiss, Voigtlander. And of course you can adapt to your hearts content.
I also use a tripod most to the times, but certainly with IS, OIS, IBIS, and whatnot, together with higher quality higher ISOs, it is possible to shoot landscapes say during the golden hours. If you are at 1 sec and 100 ISO, for example, it is feasible to go to 1/4 sec at 400 ISO, with a 20mm or 24mm lens.