I just bought the XdM 10 in 4.5" OSP. I'm sure I paid too much for it, but I had never seen one in the wild and I had to have it. Sold my Block 29 to get it. Far superior handgun compared to the 29 imho. The 29 felt too short, too wide and, well.... Blocky haha.
The XdM 10 felt like an old friend. I cut my teeth on an XdM .45 5.25" so the 10 is like it's it stronger faster little brother. If SA comes out with the 5.25" Elite 10mm I'm in for sure.