Channel 9 member Adam Kinney has blogged his initial experiences, learnings, and impressions on his initial time with Longhorn and WinFX. 

Read Adam's full post over at Longhornblogs.com

"It was all physical for me, at first.  I saw the spinning semi-transparent windows, the gradient indulgence, and the smooth video playback.  I watched whatever demo movies I could find online.  I didn’t make it to PDC in 2003, but I do believe that I got Microsoft’s message; Longhorn is going to change the computing experience as we know it today."