Spondoolies-Tech, you mean? Plenty of threads on their hardware, try a search. This is their official main thread:
https://bitcointalk.org/index.php?topic=521520Hasn't been much about their hardware in recent times, though.
If you're seeing a "huge amount of profit" from a calculator, odds are you're not entering data correctly. Let us know which calculator you're using and with what parameters, and we can help you figure out what's going wrong, where.