The iPad 2 has made its entrance, and by next week it’ll go up for grabs. There’s been a lot of anticipation for what Apple would do with its next tablet now that rivals have showed up with their own tablets that beat the original iPad’s specs — granted, they were mostly demo units. Steve Jobs himself showed up to kick off the proceedings. They opened with a reference to iBooks and how Apple just signed on Random House as a participating publisher. Could be a bid to reassure customers who are worried that its strict purchasing rules will squeeze Kindle out of the App Store.