Phil K, the jump from a Moskva 5 to a Linhof technical camera is pretty severe. Makes me wonder what you are planning to do with a medium format camera.
I'll throw out a couple of other suggestions: Bronica ETR series, or SQ series. 6x4.5 or 6x6. And the Fuji medium format series of cameras. 6x4.5, and 6x9 models are both not hard to locate.
And a TLR, like a Mamiya, Yashica, Minolta, Rolleiflex/cord.
With any of these in decent shape you'll get going with medium format, and get good or better results right off the bat. The Moskvas are not the most reliable cameras and you had better be ready to tinker, clean, adjust, etc. The Linhof sounds as if it has been hacked a bit, and learning a view camera will be much easier on a 4x5 model, even with a 6x9 roll back.
I just got a Fuji GW690, which gives 6x9 shots on 120 film. Reliable, rangefinder that works, can hand-hold, basically an oversized 35mm rangefinder. Look into something like this or the Bronicas as a way to get going? The chances are that if the medium format bug does get you good, you'll be moving through a few different camera types in the next few months or years. Start with models that will give results right off and that can be sold fairly easily.