If your OM10 is dragging, perhaps you need to raise your tonearm, or use a thinner turntable mat.
Another suggestion: Look at the profile of Ortofon's new 2M series. It appears that the cartridge body tapers upward almost from the cantilever location, and would therefore be an less likely candidate for bottoming out.
Another suggestion: Look at the profile of Ortofon's new 2M series. It appears that the cartridge body tapers upward almost from the cantilever location, and would therefore be an less likely candidate for bottoming out.