You'd be surprised how many serious projects aren't all that interested in IE7 and 8 users. Edit: I work for a funded startup. Let me give you some numbers: 3

You'd be surprised how many serious projects aren't all that interested in IE7 and 8 users. Edit: I work for a funded startup. Let me give you some numbers: 3-5% IE users, a fraction of those using <9. Demographically, very few/if any of those are our customers. Disproportionate effort for very little benefit to our users who care about our product.