Which iron shafts?

[drawboy]

I have always hit a low trajectory ball, distance wise 150yrds = 6 iron. I have just had a m flex (senior) shaft fitted for my R11 and it has improved my driving no end I drove my first today at 252 yrds, not massive but a good knock all the same, more height and much straighter.
I would like more height on my irons currently mizuno mx25's with reg shafts. Would it be worth getting softer flex shafts in my irons or would a game improver iron like the burner or cobra s max help achieve what I'm looking for? also would it be worth going to reg in my vokeys?
Thanks.

 

[viscount17]

I was recently fitted for irons, the heads are cavity backs and similar to MP62's (http://www.wishongolf.com/designs_details.php?dKey=68&dType=sets) and, in combination with the shafts, I get plenty of height from these.

don't get hung up on sgi and gi, the right shaft may be all that's necessary.

when you do the irons include the wedges, I have the same shaft from 4-i to LW.

 

[monktonhallgc1882]

Well 252 is a good knock so i would get the same shaft as your r11