SD is fine and can be tuned just as well as a MAF setup the reason why it used to be such a popular swap was because there was no tuning support back in the day
anyone that claims to have a tune that doesnt modify the spark tables is not properly tuning, tuning requires dialing in spark and fuel, spark is the most significant factor in performance
you do not have to be an IT engineer to reprogram a ford ecu, its nothing more than a simple calculator
24lb injectors are too small for any healthy headed 302, ive NEVER tuned a 5.0 with aftermarket heads that didnt outflow 24lb injectors
the old eectuning forum has been down over a month now, im not sure when or if its coming back up
back to the SD, the factory ford SD ecus cannot read boost, if you intend on boosting one you will have to swap to mass air
the beauty of mass air is that you dont have to get a retune so long that you dont excees the maf and injectors range, you can tune it N/A then put boost on it later without having to retune, this of course only applies if your tune is dialed in correctly
i recommend dropping the few bucks on the QH and tuning it yourself, its only $250
however if you decide tuning just isnt for you then you can simply just pay someone to tune it for you, the QH gives you the ability to make any changes you wish
Or the other options as mentioned in the previous post is to just get a mail order tune, with a known maf curve any knowledgeable tuner can setup the o2s to dial in your fuel even at WOT thus a wideband and a dyno wouldnt be needed
and as for the other comment about dialing in spark over datalogs, its as simple as looking at the rpm, airmass, and throttle position to see how much loading is on the engine, knowing the MBT for the setup you can very easily approximate the optimal timing to update the spark table
if your serious about tuning or would like to get more info to be better informed of whats going on, the most detailed explaination is on my website
http://www.efidynotuning.com/ford
I recommend to give all them write ups a good read when you get time, the pre tuning info is very important to read over BEFORE getting a tune