1. Go right through here starting with Another Day, and all the covers, information on the songs etc is here plus every non-essential thing is available:

    http://en.wikipedia.org/wiki/U2_discography


    But u2wanderer.org or JFGI are great as well.

    As per request to The (In)Complete U2, go buy the albums seperately on iTunes (or get them as CDs, rip them), then pick up some of the singles - I'm sure you'll live without a few non-essential songs and then Unreleased and Rare is available elsewhere, as is Point Depot, Early Demos and Live From Boston.
  2. Closing another pointless topic.