DMed my first *real* 4e game yesterday (everyone finally got their books, so I began Keep on the Shadowfell).
A remarkable success (if I say so myself!). It helps that the last game this group played was a 3.5 adventure which was tedious and slowly paced, leaving the group hungry for 4e's promise of more dynamic play.
But yeah, I totally rocked it. I'd never DMed for this particular group before, but they were suprisingly receptive to both my 'fly by the seat of your pants' gaming style and the new 4e rules which facilitate that approach.
Chargen took a couple of hours, yet we still had time to complete the first two combats as well as a fun series of roleplaying encounters in Winterhaven.
Gwen the half-elf Fey Pact Warlock really got into her persona as 'the Forest Witch', and loved knocking out kobolds with her Elf Shot (ie. Eldritch Blast repurposed as a spectral bow). She was all over the battlefield, taking full advantage of Misty Step, Shadow Walk and Eyebite. A lot of fun to play and watch.
Tarn the Dragonborn Paladin had the worst case of 'low rolls' I've seen in a long time. He was surprised at how close he came to being killed---by kobolds of all things. He's developed a really nice hatred for the little buggers. That said, he enjoyed his Divine Challenge (actually bellowing "Face me, coward!" when using it) and he had great satisfaction in wiping out some minions with his icy dragon breath.
Morituri (sigh) the Eladrin Wizard had a great time with his character, toasting kobolds with Flamin Sphere and breaking their formations with Thunderwave. He was this group's former DM, and was a little skeptical about 4e---but now he's playing with the zeal of the converted. He really liked the Wizard's ability to maintain a zone of control, as well as the Eladrin's ability to get out of dodge if the zone gets overrun.
Bastia, the human fighter played by my wife (hi baby!) was a pleasant surprise. I'd done a couple of playtests, but failed to notice how important a 4e fighter can be. It took her a while to grok the importance of teamwork in 4e (she's used to playing loner/scout type characters), but once she started coordinating her actions with the group, she became my worst nightmare. Combat Challenge and Superiority were particularly effective, and she always seemed to know when to use Passing Attack to really screw up my plans. One more game like this and we're going to need marriage counseling.
Well, that was long-winded and meandering. How about: Yes, it's fun.
That said, I'm really looking forward to *playing* with my other gaming group this Thursday. Infernal Pact Warlock, here I come!