In a nut shelled simplistic way, Titanium is roughly 1.5 times the weight of Aluminum, and 1.5 times the strength of steel. You can break it down further, but really, that's a basic way to understand it. So yes, it is lighter than SS, but when you are making something this size the weight difference will be marginal. Depending on the grade of SS, it can be harder, or softer, so basically about the same strength then.
And yes, it is very pretty, until you've shoveled enough chips off the floor to fill a 20 cubic yard dumpster every day for a month! The best one I saw! I came in one morning and the foreman was kneeling in front of a pallet of Titanium blocks the had been ordered for Cessna, he was all but in tears and asked me to see if I could find a way to make them work. It wasn't happening! The planner had ordered them cut to the finished dimensions on the print, we had at best, .020" on each side to clean them up! That was a $60k mistake!