I just received a new MS900 with a Geoman battery. The tint difference is still there with the MS light. On all fairness you probably won't notice it unless you have another light that has a cooler tint. That's pretty much what happened to me. I rode several months on the MS and it was fine until I got some thrower flashlight with the SST-50 LED and that's when I saw the color difference.

The new battery pack casing is very nice however I am having an issue with the battery and will be contacting Geoman for a replacement. It too early to go into detail yet until they determine the cause.

Your will have to decide on several things like the tint, the slightly better throw of the Titan, the extra hour runtime, the blink mode, the non return policy from Gemini (unless they changed that), the price difference, and Geoman great customer service.

If you decide on flashlight, keep in mind that the beam pattern and overall light lumen can be different. I've gone through several different model of flashlight and yet found any single flashlight that can be used stand alone that can equal a single MS or Titan. Usualy I found myself having to use two flashlight to get the beam pattern or the lumen I need.