The ride in was great! I started out 10 minutes later than usual, so I was really hammering along. All of a sudden the edge of my headlight spot starts wavering, but only on one side. It's not a loose fixture... it's another commuter's light that I see coming up behind me. We chatted for about 10 seconds while he whipped past me, and I chased his blinkie the rest of the ride. (This guy was certified haulin' @ss, and really just flew by me. 10 seconds was all the time he slowed down to say hi, but it was a nice gesture and I was happy for it.)
Work, while very busy, was also good. There's a guy that has had his bike on the back of his car for the past few days, and I asked him about it. He's been riding after work, just exploring the MUP network around here... but he's interested in bike commuting and only lives about a mile away from me. I gave him my number, and he's gonna call me when he puts slicks on his bike so we can meet up and commute in together. Rockin'!

The ride home was not so good. I totally lost my cool at some ******y cager that intentionally tried to hit me.
I was on my way down the hill on 175th toward the center of Woodinville, WA. It's a 1 lane going down, 2 lanes going up, with no center-median turn lane; about 3/4 miles and 6% grade. There's a wide bike lane, and I am riding just right of the paint. It's a 35mph zone, and I am doing 33mph. A small silver VW up the street is stopped to wait for a break in uphill traffic so they can make a left. I get passed (far too fast) by a maroon Ford F-250, who has to hit the brakes when they realize the VW is stopped to turn. I know the trucker saw me, because he just blew past me. I swing to the middle of the bike lane, to give a few feet of berth when I pass the truck and VW, and the trucker looks back, waits until I'm on his quarter panel, then peels out into the bike lane directly in front of me. I saw him laughing in his rear-view as I rear-brake and skid it, but that laughter changed quickly when he realized I wasn't wrecking/flying off into the woods/whatever his intended effect was. I popped my left foot out of my pedal and proceeded to kick the cr@p out of his passenger rear quarter panel without losing much momentum. He edged over further, trying to force me off the road (which I fully understand, since I just dented up his truck) but I dropped my butt over the rear wheel and hit the brakes hard. He went ahead of me, all the while I was yelling at the top of my lungs for him to stop his truck and get the **** out. He sped up to about 50mph to get away from me, but then decided that instead of chancing getting stuck at the light at the bottom of the hill (where I very likely would have kicked his truck some more) he'd cut through the park'n'ride lot. Well holy cr@p if the fat guy can't sprint, because I chased his butt through the parking lot until he cut off a bus and got out onto the open streets on the other side of the lot.
I've got mixed feelings on the entire encounter:
1) I shouldn't have gone ape-s**t on the guy to the extent that I did. One kicking would have proven my point, but I actively chased him down for more and I'm a little dissapointed that he ran away instead of stopping. I should have just let him go when he took off.
2) I scared off someone in a Ford F-250. Me. On a bicycle. Made someone in a full-ton truck run away like a scared puppy. And I hit 42mph on a 16 year old mountain bike with 1.5" semi-slicks, decked out as a full commuter. I shouldn't be proud of what I've done, but when this happened I snapped back to my indestructable teenaged lock-swinging CM days in downtown Cleveland. There is still a part of me that sees this as a "victory." Me vs. car; eff-you, I win.

One way or the other, I'm just recounting this as part of the "How was your commute?" thread because that's how I see it: It was part of my commute. I'm not particularly proud of how I acted. I'm not particularly ashamed of how I acted, either. This is how it went down, and tomorrow will be a better day. If you have opinions one way or another, I don't want this thread to become a "right way/wrong way" flame war, so I can post this as a separate thread. PM me if you think it should go that route.