After several mediocre Atari computer multi-carts, this was hyped as the best?
It depends on what one would call the best. I think that using an atari 8bit computer has a learning curve. When you are used to all these previous used multi-carts, and you buy this new Ultimate cart, I think that it is probably the best one can get. But... when you are not so used to that, it might seem to be complicated in a way. The problem is not with this cart, the 'problem' is that there are so many ways people can load games to their atari, and all these ways together are never possible with one single device.
It's always tricky to provide ZIP files with a product, since people who do that, might break ©opyright laws or run into other issues.
I have no experience yet with this Ultimate cart, but I think there are lots of excellent solutions around, which I would rather not call mediocore.
SIDE2, MyIDE2 both provide an excellent (And rather user friendly) way of putting games on a CF card
AtariMax 1Mbit and 8Mbit multicarts are really easy to use (especially when you use the USB programmer cart)
The 4MB MegaCart, The!Cart, SIC!....
All fabulous and excellent multi-carts, which I really appreciate.
I think it is not right to blame the cart, when things are difficult. Simply ask, and you'll get help... don't forget things are in development, and yes... that means firmware upgrades from time to time.