I just have the bare basic mini-tool on my touring/road bikes. One tube, levers, small Serfas mini-tool with 8 tools and a Park Super Patch. Is there anything else I should carry on the mountain bike? I won't really be getting out there until after the clinic, but want to keep my eyes open for a good sale on my mountain bike seat-bag contents between now and then...

I am really looking forward to seeing what the disc brakes are like, I've heard how they are so much stronger from the caliper brakes I am accustomed to...