500nitro.
Probably something smaller to start with. I realy need to shoot my way up. Whats the "GREENER Empire model" and NFB?

Mac.
If the wood on my gun wont stand the recoil, no would I.

Not without practice anyway.

Marrakai.
I would say that the "centerheavy" DS you describe probably would be the one a go for.
I held the newest 9,3mm merkel built on a 28 gauge, sure it was light under 3kg I think,
but felt "swifty/wiggely" i think its called. And becorse of my love for my 12gauge and here we are limitet to six huntingrifles im stuck wit it.