To answer the OP's question, no I don't find blades easier to hit. Just from hitting/testing the PING S55 irons (I get that the S55's aren't a "true" blade) compared to the i20's, I wouldn't say they are easier to hit. On a good shot both go exactly the same, even on a slight toe/heel hit they perform well. It's when I hit it a groove high or low with the 55's that the sound changes and distance control can vary. I don't know if it's actually a groove high or low, just how I'm describing it Obviously the wider soles in the i20's help compared to a more narrow sole. Wider sole, you effectively have more bounce, lower CG, so your low point control doesn't have to be as precise. Slightly thin or heavy shot, you don't notice it, both in feel and ball flight, with the i20 as you would with the S55.
I think most OEM's are missing the boat on not have a ton of bounce/camber on their MB offerings, to me that's where you really feel the forgiveness The soles on MB's tend to be flatter, so the club will dig more. Callaway did this with their tour guys a few years ago, with their MB Proto iron. One of the smallest heads that you can find and most of their staff guys switched to this iron. The players don't have much problem hitting it in the center but they all liked the turf interaction better. I was told they would say stuff like "easiest blade I've ever hit".
They had a demo day going at the course I played yesterday. I got to hit the 714 AP2's and MB's.......while I didn't get much time with them (had to get to the tee), my quick impression was that as much as I'd like to be able to play the MB's, they're too much club for me. I'm sorry, but you have to be a very consistent ball striker to play them effectively. The AP2's were outstanding though. VERY impressive.....and they look almost identical to the MB's at address, which surprised me a little.
Yeah they did a nice job with those, especially in the long irons, nice sized head and ball launches.