I'd also like to express my affinity for this episode. I liked the whole thing - the best part was, it made sense all the way through and yet still featured the absurd (Homer getting caught in a meth lab when Marge sent him to the wrong address). Consistent characters and several laughs as well. Well done.
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Another episode with some very dense-with-gags moments - I think the E4 convention hall was designed to get people to either DVR the episode or buy the DVD later just so they could frame-by-frame and get all the goodness.
The "TV chefs on space hoppers" lineup during Marge's (or was it Gordon's?) dream was also great. I especially loved the back where Paul Prudhomme was being used as the Hoppity Hop.
But mostly, I enjoyed the totally valid stereotyping of foodies as hipster pricks.
LATE EDIT: AND the awesome Tim and Eric song, which I totally forgot to mention earlier! If you weren't really listening, there were a lot of "wait, what?" lines that went by, but it all made sense when I saw Tim & Eric in the closing credits.
Solid episode and, yeah, if you were watching it live, you missed out on a lot. I thought "Electronic Crafts" was a really clever gag, but my favorite was that Protovision had a booth!
And any show that takes me to a Singapore hawker center (with Anthony Bourdain!) always earns extra points with me, although the real places look nothing like the second-rate TV Chinatown they showed. (And kway chap is a soup dish.)