The SlimBlade Pro I adopted a month ago can behave almost as described in that article using Mac Mouse Fix. Brilliantly simple:
I'm still missing a way to simulate a middle click with left and right buttons. Thought I had it with BetterTouchTool but a left click still triggers as well:
If anybody knows a solution, please contact me! Though to be fair, I don't really need a middle button. I guess a delay would have to be introduced on normal left and right clicks, and I'd rather not.