I don't have the list you mention. You may see the above RichS shots for ref.
Titanium heat dissipation is not good as Aluminum.
For the first 1-2 mins run, the performance will not be big difference.
It will be hotter in hand, so switch to mid or low for long run is smart choice.
You can choose GITD (Glow in the dark) or black tailcap.
This light use 2.8A driver to LED, SST-50 die size is small, hotspot will be brighter. Because the die size of SST-90 is bigger, hotspot will be even bigger and a little dimmer too. It will be a total flood light.
Other mod options as below, No.4 may be easier.
1. Low, Mid, High, Strobe & SOS.
2. Low, High, Strobe(2 flash/sec.)
3. Low, Mid, High
4. Low, High