Your question gets into one of the big "fights" in audio"New is Better" vs. "Vintage is Better." I don't feel like dealing with that particular argument todayI have enough stress in my life at the moment as it is. However, in my own experience, I have noticed that some vintage equipment will perform better (by my standards, at least) than some newer equipment.
That said, it's a given that the two turntables will have a different sound. The design philosophies vary.
The cartridges will also have a big impact. In this case, you have two different cartridge companies AND two different technologies employed. It's possible that you might like the Technodec better if you had a different cartridge.
You might be interested in an article on the Thorends TD 150 & TD 160 that is on the Hi Fi World website. (http://www.hi-fiworld.co.uk/hfw/oldeworldehtml/thorenstd150.html). This article includes one line that shows you aren't crazy: "These decks offer a great deal for very little. Some friends of mine, who owned a Gyrodec, recently set up a TDl 60 as an interim measure while a new arm was fitted to the Michell. Result? The Thorens stayed and the Gyrodec was passed on - they realIy are that good." Note that the Gyrodec was also made by Michell.
That said, it's a given that the two turntables will have a different sound. The design philosophies vary.
The cartridges will also have a big impact. In this case, you have two different cartridge companies AND two different technologies employed. It's possible that you might like the Technodec better if you had a different cartridge.
You might be interested in an article on the Thorends TD 150 & TD 160 that is on the Hi Fi World website. (http://www.hi-fiworld.co.uk/hfw/oldeworldehtml/thorenstd150.html). This article includes one line that shows you aren't crazy: "These decks offer a great deal for very little. Some friends of mine, who owned a Gyrodec, recently set up a TDl 60 as an interim measure while a new arm was fitted to the Michell. Result? The Thorens stayed and the Gyrodec was passed on - they realIy are that good." Note that the Gyrodec was also made by Michell.