The Vampire would tick all those boxes quite nicely.
(Edit 1) You would have a 84MHz "68080", 128MB of RAM, IDE and SDNet (I wouldn't bother using the SD for anything else). The only down side is the waiting period since they're not making them fast enough. That being said, I have two now...
Although, when you get it, re-flash it with your own Kickstart and don't use their pirated core. I know there's not really much difference, but I do think there's a principle there.
(Edit 2) Side note -- the one big limitation of the Amiga 1000 is the lack of chip RAM. The nice thing about the Vampire is the bonus RTG (setting aside the improvement of HDMI over analog), leaving most of the 512KB available for other stuff.