The A8's are awesome.... please don't base your purchase decision on my "review". The review is subjective and specific to my situation and I have about < 12hrs use of live audio on them over 4 nights.. not really enough IME.
FWIW - I received an email from 1964 today - stating that the remaining V-series are being discontinued at the end of April 2016, because of sales drop off and the demand for the A-series.
I don't believe my "issues" with the A8's are the fault of the A8's - but more user education. I have over 400 hrs use on my Qi's in 2015 gigs alone (not counting flights and church use) and have had them for 2.5 yrs.. so I'm VERY familiar with their sound signature. The A8's are simply "different" and I'm working on learning what works for me as I've never had a set of ADEL's before.
There's an ADEL thread over at headfi.org - lots of good audiophile commentary over there..
1964 Ears Adel IEMs
If you have any concerns, call Alex @ 1964 for some advice!