maybe it should just be that the difference in cost to deploy be more significant?
We're already reading lots of whining about "hanger queens" and suchlike. If the difference is made wider, we may as well make Low Tech free to deploy. That might actually be interesting, though- make them free, make Mid as cheap as Low Tech is now. It'd help with a few ships.
That said, right now, armored Low Tech is already cheaper on CR, but there aren't very many good reasons to bother with chain fights because of the costs of taking any damage at all, so it's pushed people towards High Tech and shield tanks, naturally enough.
Note that I'm not saying that this doesn't mean that players can't make Low Tech
work; the Lasher still rocks, the Hound's pretty darn useful as a freighter that can also fight and as an interceptor.
But I think that cost differentials as well as sheer power largely favor High Tech a bit too much, and making Low Tech free might just make them worthwhile, since they could be the chasers and harassers par excellence.
There are plenty of solutions to this, though. Some of the low / Mid Tech frigates might use a buff to make them effective enough in the middle between these gulfs in costs.
For example, I think the Vigilance needs more Flux Dissipation (100-200) and the Brawler needs a much tighter turn radius, so that it can actually be somewhat useful. The Shuttle really should be a bit faster, at least 50-75 SU, so that it's actually good for something (interception) rather than just being weak at everything like it is now. If Mid worked well enough that it wasn't a joke and Low Tech was free to deploy, it might finally feel a bit more balanced than it does atm.