When playing guitar, I used to (and still do) gravitate to heavier picks, sometimes up to 2mm. When I initially used picks on bass, I just used these as I was a firm believer in the “thicker the pick, the better the tone” school of thinking. However, after seeing a clinic by Bobby Vega and discovering that he uses a .73mm upside down, I thought I’d give them a go in that manner; game changer. I now use these (or sometimes marginally thicker) all the time and hold them a la Bobby, the “wrong” way up.
Buy a mixed pack of different gauges and find what feels and sounds best for you, would be my advice (which you know anyway).