I really want an N64 cart. The 64Drive was what I wnt but lately Marshallhas been swamped with orders, late, and horrible with customer service...
I'll most likely be buying an Everdrive 64 now, it's almost the same calibur. Although I really wanted to play Dobutsu no Mori and only the 64Drive can play it properly... I hope Marshall gets his shit together, or I won't shell out the 200 for it.
The 64Drive UI is a bit more polished (though the latest versions of the ED64 UI looks just great too), and there's less patching to get games working if I've understood it right, but in the end, the ED64 runs everything except for Banjo Tooie, and it's half the price. The 64Drive might be the ultimate N64 flash cart right now, but the ED64 is so close behind that I simply cannot motivate shelling out twice as much for it.
Also, KRIKzz' customer service is nothing short of awesome. He personally gives you support if you run into problems, often within minutes of you asking.
You won't be disappointed, rather the opposite.
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Stone Age Gamer's kits looks nice, and gives that retail feeling, but
my personal opinion is that they're not worth what he charges for them, "expensive stickers" is a thought that comes to my mind. I ordered the bare version of the ED64 without CIC and shell directly from KRIKzz, and bought a donor cart to transplant those things from for next to nothing. The CIC comes in a DIP package, so it's easy to desolder, and the only thing you need to do with the shell is to open up a hole for the SD card in the top, and optionally remove the old stickers. It's done in half an hour if you got some skill with the soldering iron
I also have the Super ED, but as I haven't really used my SNES a lot since I got it, I haven't tested it very thoroughly yet. The few games that I did test works flawlessly though. I've played through Super Metroid and Donkey Kong Country from beginning to end, without any issues at all. Also, from the brief testing I did after putting in a DSP1, Mario Kart seems to work perfectly too.
There might however be real reasons to wait for the SD2SNES, even though it probably will land on more than double the price. There are a few really great games that can't be played on a Super ED due to the lack of special chip support, so if you're the die hard type that can't stand playing in emulators, it is for you. Personally I play those games in Zsnes on a modded Xbox, but I'd be lying if I said that I didn't want to try the Star Fox 2 beta on real hardware