Upgrade Fever?

        Can I upgrade to Lion and still keep my old, familiar, and useful Snow Leopard?  You'll find complete directions here, but with a warning.  If not done correctly you could lose all your data, everything on your computer!  Aaaak!  Read here for the info.
        Another nifty announcement on that same site:  Read about Random Hacks of Kindness (RHoK) events scheduled for June 2 & 3.  "Hack for humanity" is their slogan,  it's FREE, and being held at Burlington, VT.
        So, PMUG readers, anyone want to pass on info on any recent upgrades?