ES2 said:
Well, Psion, tell us about it.....we fans of the almighty show need to know what we are getting ourselves into with this massive tome.
Your fans of Farscape too? Cool!
Oh, you are talking about SG-1.

Well, I don't follow the show, so I can't tell you right off how accurate their translation of characters and events is. Also, it's pretty low on my queue right now (still working on stuff I got before GenCon) so I only took a few passing glances at it. but here's what I can offer.
First off, the thing is frickin' huge, over 400 pages. You need to bat an unruly player, this is the book. Of course you pay for it: it's 50 dollars.
The layout is very nice, as pretty or prettier than the Farscape book or even the Spycraft book. It displays the feat trees with slick looking graphics similar to Spycraft, but uses color to color-code the feats for easy reference.
The book include a sizable episode guide much like Farscape.
The book using the Spycraft d20 variant as a baseline, but you don't need the spycraft book. You do need a PHB (I don't think edition matters; spycraft/SG-1 includes most of the combat rules and feats and suchnot that you need for making characters and running the game. You mostly need the PHB in case you need to know the basics like xp, assigning skill points, figuring hp, etc.)
Classes I couldn't rattle off, but some of the spycraft core classes are repeated (like pointman and soldier), new classes are included, including classes only available to certain races (like guardian), and there are prestige classes (like officer.) Similar to spycraft, most of the major characters are statted out with low, mid, and high level versions.
As you may know, the Spycraft system uses "departments" instead of races since there are only humans in Spycraft. The one thing you might wonder is how they do this since there are nonhuman races. Well, what they do is replace departments with "Species/Specialty". Each race shares certain characteristics, but then they can pick a sub-specialty that is more in line with their background.
Er, that's about all I know right now. It's sitting in a box next to my night stand, waiting, waiting to be reviewed.