Jaye Foster of 6d6 fame has written a well-thought-out and detailed review of DayTrippers - both the Core Rules book and the GameMasters Guide. Jaye is no newcomer to game design himself, and his breakdown of the game's mechanical and thematic elements is pretty spot-on. If you're curious about running a game of DayTrippers, this is a good review to give you a handle on how it all fits together.
I can’t recommend this book any more highly. if you run DayTrippers, brilliant! If you do not but you do run a sci-fi exploration game – get it. Get it now.
The mysterious Abstract Machine has written a thought-provoking review of Golden Age Adventures. It's actually more of an expository essay on the nature of shared emergent narrative under different playstyles, and how this may be approached in DayTrippers. Storygame or Trad? Or right up the middle? Season to your own tastes!
"These are tools that enable you to run the game however you like. That’s not a threat, it’s a promise."
The RPG Pundit has written part 1 of his review of DayTrippers. His first review covers the 44-page DayTrippers Core Rules book (which is the "BRP" of the system).
In general he does a good job of identifying the game's basic mechanics, which is helpful for the curious. As for his critical judgments, here are my take-aways...