Yup I just checked the local RadioShack store and they have some of those in stock after all.
I'm wondering what exactly these ratings mean though. There's the above one for $30 which is rated at 1.5 A, and there's one that's $8 cheaper but only outputs 0.5 A. Is there any advantage to having one over the other if I'm planning to replace the stock 100 V, ~0.330 A one?
Supposedly my Kashimura 120 V -> 100 V transformer is on its way here. I would think the transformer is more versatile than the wall wart, no?
Depending on how poor the regulation is from these various UNREGULATED supplies: The problem with using a 1.5 A power supply is it will probably output more voltage than the 0.5 A supply. I would stick with the 0.5 A supply.