One Page Dungeon Reviews - Baseline

So I guess if I'm going to look at One Page Dungeons, I should establish some kind of "here's what I like" baseline.

I want the OPD to be easy to use. Be as creative as you want to be, but I have to be able to use this - probably on the fly when teenagers say, Hey, let's play D&D! That being said, some of the things I will harp on are:
Organization - please make things easy to find
Clarity - please make the map easy to read, highlight important stuff
Usefulness - this is a nebulous category, I admit, but I'll talk a little about whether or not I find it useful
Subjective - this is the final category and it's completely my bias.  For example, I don't really like gonzo stuff. Or cute stuff. Weird is okay, but I have a limit.  Clever is okay, but don't try too hard. Yeah, you may want to skip this part of any review since it'll just be me harping on the stuff I like/don't like...

I'll probably start with a summary of the OPD - maybe even quote the "hook" from the entry itself.

I'm planning on going in chronological order - starting with 2009 OPD contest entries - but the actual order I review will be a bit random...

Affiliate Link to the 2009 OPD Compendium