I couldn't really watch it, unfortunately, but the general feeling I saw on Twitter was that this was a vast improvement from last year's WWDC.
Gizomodo has a nice round up of the features announced. HomeKit sounds VERY interesting... it'll be fun to watch vendors try/not try to take advantage of that. And integrating Shazaam directly into Siri is pretty cool - but are people really hearing music that they don't recognize when they are out?
The 2600+ is based on the rating system that AMD uses to show how their processor peforms compared to an Intel processor. The AMD Athlon family of chips is more efficient clock for clock than the Intel Pentium line. See here: http://139.95.253.