I had a set of SunTour Power shifters on a Nishiki way back when. I didn't like them at first but grew to like them, though had a pair of barcons been available to me I would have switched. At that time I had not yet ridden with barcons. Once I did, I forgot all about the stem shifters!
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1971 Paramount P-13 Chrome
1973 Paramount P-15 Opaque Blue
1974 Raleigh Professional Blue Mink
1991 Waterford Paramount
Holland Titanium Dura Ace Group
Holland Titanium Ultegra Triple Group