Like AJ mentions the default answer is AKG. Lots of options there. I like Nick's idea with the Neumann 184s if you can find them for that price. These both have sort of the same general flavor to my ear (not overly darkish). I just usually like the sound of Neumann better (flavored, but usually sort of smoother in the highs).
Lots of tapers love the Busman's and the Peluso's and Beyer's. I'm just not as familiar with them sonically. Also maybe Milab's used.
Sorry ADK A51 TL's all day baby! Four Pattern LD mics that can be found used for around $500 in the yard sale. Don't be afraid to go LD.
Barrett
Truth! Probably the best bang for the buck IMO. Very clean and neutral. But big and heavy! Easier to do if well blocked, harder to run lower profile if very FOB.
But.. If I had to choose only two of the mics from my locker for "outdoor festival season taping jam, funk, and rock bands from the FOH area" I'd skip the TL's, Gefells and other stuff I have in there, revert to a pair of DPA miniature omnis (4060 or 4061) spaced 3' apart on a TV antenna, and aim to place that right in the heart of the sweet spot FOB. But that's based on my experience and preference and does not reflect the more typical taper mindset around here. It is compact, nearly invisible, and near weather-proof, but the 3' spread can be a challenge, and it's a "you are there" type presentation, which includes the enthusiasm of all those around you, so its important to choose a good sounding, enthusiastic spot.
Vive la différence!