Matt,
I think on the whole you may be correct. As always, there's multiple ways to assess the market trends.
1) It's unlikely that the Nitro market is going to significantly change in price, mostly because very little is produced domestically
2) Electrics produce wicked power, run clean, and are overall easier to build and maintain. Downsides: Limited cycles and flight times with batteries. With the recent and continuing advances in battery technology, if the costs to produce quality and longer-lasting batteries goes down, we will probably see an even bigger swing to Electrics
3) 50-size machines are definitely more versatile. They are typically more nimble, nitros suck less fuel, and they are somewhat easier to transport.
4) Market depends on what kind of flying people are doing. The trend is definitely toward hard 3-D which is better suited to smaller electrics and 50-size machines. However, there are tons of sport flyers out there as well who like the bigger machines.
On the flip-side:
1) The 90-size market will never completely disappear. You will always have the folks out there that want "big and bad". Plus the 90-120 size machines just sound awesome and produce a visceral effect that is not easily replicated with a 50.
2) Maybe "somebody" needs to mitigate the high cost of nitro by researching and introducing alternatives: more efficient nitro engines, better power from gassers, or even diesel (I am a big fan of this one).
I am sure most of this has considered these points already. I know you are still getting Synergy back in the spotlight and it begs the question: what are your goals for the company? Rebuild the brand name or redefine the market?
As others have already said, I believe you have excellent designs and sound direction. Thanks for listening!
In Botos we trust...