Finished the game in just under 20 hours but that's with me doing almost everything else. I only have about 14 more lockboxes to find and a couple of races. It was a decent enough ending but the story alone should have been about 10 hours longer. There were far too many things that just happened out of nowhere and too much jumping around for a game this short. Guns played too big of a role in the last 40% too.
It was an ok game but it wasn't as fun as I was hoping it would be.
Eh. Just finished it myself.
A pretty satisfying game... but I did come up with a bunch of design ideas that would've made the game next level awesome - that wouldn't have been much more costly to implement.
Namely - you get 2 story endings - become triad boss, or become super intendent boss.
But post game, you get to continue expanding the influence of your power base - take over more businesses, gain more foot soldiers, hire more police...
More stat based stuff than content stuff - and it'd give a second short ending (fallout epilogue style) once you max out the island.
As it is... I still haven't played an open world game that has you become the boss that has been as satisfying as GTA:SA in that respect (really, I'd have hoped that so many years after that game, that these games would've expanded on that formula - because it was so damn good really).