Yes, Vista still exists -- but it's not much of the market, because it only existed for a short while before Win7 replaced it, and it never got much corporate a

Yes, Vista still exists -- but it's not much of the market, because it only existed for a short while before Win7 replaced it, and it never got much corporate adoption (where people hold onto legacy IE forever). Unsupported XP is, in practice, probably more of an issue than Vista.