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Little late here for your weekend trip but check out Rick Takahashi's Go 2 nymphs, too:
http://www.flytyingclips.com/

Similar and you could sub biot tail for hackle fibers; the UV Midge braid...

The pattern is more of a style than a specific recipe, with bright colors the common denominator. Lots of different combos you could try to see what works best; bright orange like the one in the...

Here's another shot (bottom of the page) with material list:
http://stevenojai.tripod.com/prince_nymph.htm

Looks like a pretty straightforward tie, addition of carapace and wingbud, substitute...