[Specializations]
When Uprising 1.0 launched, I made this thread, basically the point was this:
The logistics and now the commando dropsuit are the only examples of specialization done right as of now. The logistics is very different from the basic mediums; giving up one thing to be very good at (or "specialize") something else. Likewise, the commando heavy specialization sacrifices HP and and the heavy weapon slot in exchange for 2 light weapons.

The majority of what we have right now however are not real specializations, but copy/pasted basics with a bonus added. From medium to assault, from light to scout, and from heavy to sentinel there is barely any change; in fact they are identical except for the addition of the bonus to the specialized suits. This is very bad in my opinion.

Make them useful, or jut remove them. If you remove them, make the basic frame skill unlock the specializations, and make specialization skills just give bonuses instead of unlocking.

[Basic frames]
Basic frames are suits with no reason to use them, we should NOT have useless suits with no purpose, especially since it can't be used to save money since they cost the same as specialized suits. Not only are basic frames bonus-less (thus inferior) versions of specialized suits, but also more expensive. There should be situations where you would actually want to use them, both ISK-wise, and gameplay reasons.

They need a price cut, they should be at least 10% cheaper than their specialized counterpart, they should be the cheaper alternative to specialize suits.

They should be very generalized and versatile in slot layouts compared to their specialist counterparts, like a middle ground between the specializations of the suits; this could be done by altering the basic frames (like medium basics get a 2nd equipment slot and lose a module slot), or by altering the specialist suits (like taking equipment slot from assaults, and grenade slot from logi, so basic will be a middle ground with both).

[Solutions]: these are just examples of how I would solve the issues of price and slot layout.
PRICE: basic frame price = specialization price - 10%

LIGHT
Basic: + 1 high or low slot, -1 equipment slot (& PG/CPU changes needed)
Scout: same
Pilot: ? (not here yet, so can't say)
*alternatively, scouts could have 1 less module slot than they currently do, and basic lights can have only 1 equipment*

MEDIUM
Logi & assault: make them have the same module slot count. No reason why logis should have more at proto, or assaults to have more at standard like they currently do.
Basic frame: + 1 equipment (2 equipment total, between assault and logi), -1 module slot.

HEAVY
Basic: -sidearm, + 1 equipment, maybe -grenade (middle-ground between commando and sentinel)
Sentinel: same
Commando: same

Related dropsuit threads: tiercide | Medium frame (basic/assault/logistics) changes