I suppose some people will laugh at the notion, but it was the 2012 Reveal that made me decide to abandon consoles and focus on PC again. Since we didn't know what the next gen's were going to look like at the time, it only stood to reason that the reveal was PC based (which was later made known), so I decided to spend my money on a massive new PC build rather than buy either of the "next gen" consoles.
I just finished a major upgrade (i7, GTX 770) about two weeks before that new story trailer and release date dropped. Imagine my disappointment when I watched the trailer. The gamersyde high resolution version made my disappointment even more palpable.
Like others, the biggest thing, that I noticed was just the complete and utter decimation of lighting. All of the lighting looks flat, lifeless, sterile. The shadowing in the shot under the elevated train tracks looks painted on, ditto the shadowing in the on-foot shot near the shop with the awning. The grass in that store shot isn't impressive in the least and the tree shadowing on the sidewalk doesn't look dynamic at all. The world looks bland now and the cars look more cartoonish than realistic.
Although it's been said before (and, really, what hasn't been said in 100 pages?), the "new" trailer immediately made me think of Sleeping Dogs, which, since my upgrades, looks as good as, if not better than, what was shown for Watch_Dogs. Hell, based on the story trailer and b-roll, Sleeping Dogs actually has MORE ambiance than Watch_Dogs.
Therein lies the problem: The 2012 WD reveal lit a fire under my ass to upgrade because I wanted to be able to play games with such graphical fidelity and realistic environmental ambiance. Instead, we're going to end up with a typical shoddy port that looks like Sleeping Dogs did in 2012. Don't get me wrong, I'm sure I won't regret the upgrade one bit later down the line, but I find it really depressing that the game that motivated me to upgrade is just going to be graphically average. (And judging by the free copy of AC4:Black Flag I got with the 770, probably horrendously optimized.)
Edit: I've basically gone from pre-order to "wait for sale".