in my opinion ping irons don't change much from year to year. other than a few experimental zingish years, they''ve more of less reproduced soaped-up versions of the eye 2s for 20 years. i10 vs i15... good luck finding a difference, and if you do, not enough to really sway you one way or the other than price.
if you want a players look with a lot more forgiveness, check out the s57s. they are more forgiving than the i10s, yet the head is smaller with a thinner top line. i know... makes no sense... but it's true. it's been tested and the MOI is higher on them because of a heavy slug in the toe area. I would say check them out. almost all the ping pros use them. As for shafts, most irons these days come with light flexible shafts with the average hack in mind. The irons will perform well with the upgraded shafts, per how the pros play ping irons mind you. kbs would be great, ttdg, or px.
remember, the best players in the world play these clubs... so i really wouldn't look at it like you're giving in, or giving up, or anything similar. the arguments that you can't work the ball like you do with blades is silly... you can work the ball with pings. the idea that the ball goes too high is also silly... the higher the better. There aren't a lot of low ball hitters dominating the professional ranks, and if anyone has a problem with ball flight, it's not the iron head as much as it is the shaft (provided you're using a club in your category of player). if you really look into the bags of pros these days, very few play true traditional muscle back blades. they play hybrid blade wannabes that have a lot of forgiveness.
anyway.... check out the s57s...
and unless you're hung up on ping, try the taylormade tour preferred irons... cant say enough good things about them.