Consider the Rolleicord Vb. One of the best Rolleis ('flex or 'cord) ever made. Later models had an improved Xenar lens, supposedly multicoated throughout altho I've not found any documentation in Rollei literature or books to verify this. I have a 1967 model, recently purchased for a very good price, which shoots just as good as my Rolleiflex T with the (supposedly better) Tessar lens. Prints to quarter plate size made from negatives shot with the Vb and the T, show no differences in sharpness or tones. the mid tones in my Xenar negatives are simply gorgeous.
An added feature of the Vb is you can get a 16 exposure and a 24 exposure kit which will give you more shots per roll of 120 film. Given the cost of this film nowadays, this isn't a small consideration.
A lens hood, a UV filter and maybe a yellow (add an orange if you can get one) in the superb Rollei bayonet 1 series, and there's your kit.
An exposure meter (consider one of the late Westons but check it to be sure it's working correctly) will improve your percentage of 'keepers'.
Mine will go traveling with me to Asia in October, along with a plastic container holding 20 rolls of B&W film. What more do I need...