I defected to ordering a Mac Studio (M1 Max with 32 GPU Cores, 64GB memory, 1TB storage) and two base model Studio Displays.
Spec-wise, this is exactly what I have been waiting for for about almost two years now. The total screen real estate is welcomed for sure! I'm glad to be having two identical Apple-branded screens, but I am a bit bummed out about the 27" iMac going bye-bye. I was also hoping the Mac Studio would match the design rumors over the last year or so - color(s) and a plexiglass top. Instead, we got a "stretched" out Mac Mini. However, I am remaining optimistic it'll look great and once settled into its new home on my desk, will be out of sight and out of mind.
I currently work with a 27" iMac (Late 2015) and have been a fairly consistent iMac user since the original 20" aluminum and glass late 2007 model. Although, throughout this period of ~15 years, I've had the occasional MacBook Pro and/or Mac Pro setup sprinkled throughout. I've also been partial to all in one set ups for their aesthetics, with my first Mac dating back to, I think 2002, with the 700MHz G4 eMac!
So I guess, spec-wise, I am very pleased with this new hardware path I am headed down and am expecting this round of hardware to serve me for 10 years or more. However, aesthetics-wise, I am a bit saddened at what my desk will look like since I really love the current minimalist layout I have with the single iMac and Magic input devices.