Nah he leaves everything alone for the most part.. I had a L204 Flash Pleco in there and he was like a bulldozer on the smaller plants, ripping them up each night. I think sometimes at night the loaches will accidentally uproot some plants here and there, but they are all starting to anchor really well now.
The colombian red blues ARE nice, but not for $3.50/ea.. I bought all of mine on clearance for $0.87/ea, and planning on picking up another 10 or so for that price when I take the time to go on a long drive. I paid $0.70/ea for the Bolivian Rams too..
Dwarf Pikes? I have already contemplated ctenopoma, african butterfly, and S.A Leaf fish.. but I REALLY enjoy my white clouds Very under-rated and a great 'top swimmer' to fill up the top part of the tank..