I would go for a Vandy Vape Pulse 80w or a Pulse X can be bought as a kit or mod only and as for a RDA you say you have a Drop which is a great RDA another is the Drop Dead RDA......
Currently using a Rage with a vandy pulse on the top with a single NiCr coil installed. Hard to flood cos the bottles on the rage have a good return pressure so even if you over press it sucks the excessive juice back into the bottle .
Been looking at the Hotcig RSQ,,,, any thoughts on it. Like the look of that OhmBoy Rage @burnt fingers. Even better for me if it’s hard to flood it too.
For a first regulated squonk setup I would personally recommend the Pulse 80w mod and either the Drop solo or the Kaess Aladdin (seems to have gone under most people's radar but it is an excellent squonk rda with 3 way adjustable airflow).
I would swerve the Recurve. Those who like it love it but many, including myself, find the airflow far too restricted.