The arguments in this comment section have been rehashed so many times on HN now it is becoming hilarious. Who would have thought that office vs remote is the emacs vs vim of the 2020s.
We need a evil mode
But, it made a huge difference. Deleting all of my history older than six months pegged one of my CPUs and made FF unusable for about 20 minutes, but that, deleting all my cookies, clearing the recent download list, removing a couple of rarely/never used addons, and running SpeedyFox seems to have helped a lot. So speedy now.
Having HDMI out built-in on the rMBP15, vs. needing to carry a mdp/tb2 to whatever dongle all the time, is a plus too.
USB 3 A ports are probably a minimum for me.
If I wanted no ports at all, I'd just use the iPad.
I don't think I could deal with OS X 10.10 on less than 16GB, either.