I have a fairly similar engine build (just a bit more aggressive) and had gotten the tune acceptable on my own, but not perfect. When I did my engine build, I installed the race tune and upped it by 10% on fuel across the board. I did break in per Hammer's instructions and then started making more specific changes. If you do the same you should be ok. Recently, I bought a Tunabuell from the guy who does the Buelltooth interface and am working through that process now. The only glitch is that for some reason my droid tablet will run for a min or two and quit logging so I am on hold until I get a chance to grab a new tablet this weekend and get back to tuning. The kit installs easily and gathers data from it's wideband 02 sensor and rolls up that data into a log that is sent back to the tuner, he makes map adjustments and sends you an updated tune. This is pretty much the tuning solution we have been waiting on.
https://www.buelltooth.com/tunabuell.html