One of the interesting phenomena I have observed is that, while the first edition of a game is often badly edited, unclear, and even incomplete, it's also often the most evocative edition, perhaps owing to the "rawness" that is the source of its flaws. This is certainly the case with the new RPG advertised in issue #96 (April 1985).
Pendragon and still consider it my favorite edition of the game. A big part of it, I think, is that it wasn't yet the bloated, unfocused game it would eventually become in later editions (though, in fairness, the 2005 edition goes some way toward recapturing the straightforwardness of the original). And one cannot understate the effect that Lisa Free's glorious artwork, which, in my opinion, suited the Arthurian world like few others. In any event, I have fond memories of this particular ad, since it reminds me of many excellent campaigns with my friends back in my high school days.