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Linux market share passes 4% for first time
(arstechnica.com)
This is a most excellent place for technology news and articles.
Most likely Best Buy, Office Depot, or Wal Mart for the typical brick and mortar. Apple Stores too, but that's a bit beside the point.
Office Depot gets benefits like a workspace where "hey, a laptop broke, we'll get it warranty repaired, but in the mean time hop over to Office Depot and charge whatever because we need a replacement right this minute". Strangely, even after all this time, there are folks that still need to touch and poke and ask questions before they settle.
Online is great if you are very particular and know what you want and can afford to wait a day or two because you want a somewhat less popular model. If you aren't too particular, want some in person reassurances, or in a great hurry, then brick and mortar still wins.