I was lucky enough to find a guy in Canada who used to breed them, he helped me a lot to set up the enclosure and gave a lot of how to tips. Out of 2 initial ones none survived, something weird was going on that can be related to stress, it also looked similar to mycobacteriosis, may be that was combination of both.

those are different frogs, one i got from the same pet store injured, he survived and got better, another 2 i just happened to come across in another store on a Christmas sale

I'd say they are really easy to take care, if they're healthy. good thing that they don't need high temps, so it is easier to maintain climate needed in comparison to other frogs.
right now they seem to be very happy, eating like pigs. really funny to watch them interact, they are communal, always together, even looking same direction most of the time. very interesting frogs in their behavior and definitely looks.

Starforce2, i suggest you check pacman frog section, you'll find a lot of info on pacs. not wanting to derail this thread i will tell you however that superworms are bad for pacmans as they posses very high risk of impaction due to high chitin content.