I can only state that I have owned a BE36 for 43 years since new. It is very economical to maintain since it is so well built. It has a high resale value and is still in production.
The sweet spot are the mid 1970's to early 1980's models. I would not buy a G36 since you are married to the G1000 which is a nice system today but maybe no longer in ten years. The G1000 is part of the airframe certification and you cannot just remove or update it without Textron involvement. The older models can be equipped with anything on the market. There are lots of STC's available from turbonormalizer, to TKS FIKI to tiptanks, airco etc.