Probably good advice, Danny-- but you know me. In for the penny, in for the pound. If I'm doing this, it'll absolutely be sequential. I've never had any desire for drive-by-wire, so that's not an issue.
I know a single TB is better by every metric, but I can't bring myself to do it. It'd have to be nice 4-pot TBs, sitting there looking cool. I know that means you sinc the TBs, etc.-- but I care not.
The thing that keeps me from it is that my set-up (when working well) works so well. I really, really like the "evolutionary dead-end" aspect of the carbs, getting way down in the weeds on something that nobody cares about any more. I suppose if my health holds and I still have a fun-bucket at the end of all this, I'll do the full-meal deal EFI, but there's a big part of me that likes the analog aspect of it. A lot.
I ran down to the bank today in my speedster. While I was motoring around, I saw a guy today at a gas station with a '70 428 Mustang fastback, and wheeled in to talk to him. The guy had owned the car since he was in high-school in 1971. Big-block FoMoCo power backed with a 4-speed. No air, factory wheels. It was a great story, and the car was stunning.
I stood there admiring his car and asking questions, while he pretty much ignored my funny little furrin' car. The whole time I'm thinking, "This guy's car is stupid-cool, has a great story, and is worth a fortune. I'd still rather have my little troublemaker".