Never mind on the speed--I just noticed it says 250k on the STAR chart.

Wow, I just flew the flight from KCMI to KIAD, including the STAR (until ATC started vectoring me in once I got to KERRE.)   I had the GPS window open just to see how I was doing, and I was following the magenta line like I was a train on a track!   Awesome.  The only thing that was a pain was the AML VOR didn't come in at all until I was only about 55-60 miles from it, so I had to use the BKW for longer than I would have.  I wonder if there is file I can edit to fix that and give it real world range.  

Navigation like this is so much fun.  It also keeps you busy, as opposed to just sitting there while the GPS does all the work.  

Thanks again Lou, CoolP, and the rest.  My only complaint at this point is that my jaw is aching from the perma-grin I have been wearing all morning.