JRParker wrote:
"I made the brew that came with the kit and it turned out Cidery because the instructions didn't tell me to use corn sugar not table sugar(or so my LHBS guy tells me)."
Your LHBS is trying to sell you something, namely corn sugar. The problem with MrB kits and getting "cidery sweet" beer is not the sugar. It is that you either didn't leave the beer in the LBK long enough (2-3 weeks) or that you didn't let the beer carb/condition long enough at room temps in bottles (4 weeks).
Most seasoned brewers on the MrB forum website go by the 3-2-2 rule of thumb which means
3 weeks in the LBK,
2 weeks carbing (room temp) and
2 weeks conditioning (room temps). the general consensus is that this is the best method to obtain good brews. Patience is a virtue.