I had these folks do my VFR/IFR cert on my RV-10 a few years ago over at KOZW. http://preferredavionics.com/
I was quite impressed that they knew the operation of my Garmin G3X panel and their pricing was fair IMHO.
RV-9A: Under Construction.
RV-10: Completed 12/29/2013 SOLD 08/23/2016
"Donor Exempt" but donated through Dec. 2020