I do use the bar. So does JSB (best player in america, lives in los angeles area), so does mix, so does most of the SPF5 and the large majority of the DDR community in Southern California area, which is known to be the most competative area for the game in the US.
Ive been to a lot of tournements and I say around 90% of the entries use the bar in some fashion, and the other 10% doesnt hold it against them, and the top ten players in the tourneys are mostly the ones who use the bar.
Now with ITG out and people competeing against each other in percentages on 11/12/13 footers the bar is a MUST if you want to even stand a chance in a tournament.
I can play on heavy without the bar, and I do reconize that it is way more impressive to do a song without the bar, but when tournements boil down to SDG (single digit greats) or AAA wars, the bar is used to matian accuracy in flat footed steps, so most of the time I use the bar to improve my PA(perfect attack) for tournaments. When I dont use the bar I am either in a strange crossover or im showing off to a crowd or just messing around on a song.
Anyways, I respect non-bar users, they rule with that kind of stamina...but I have yet to see one dominate a tournament. I dont consider it cheating just like I dont consider speed modifiers cheating; its there, why not use it to your advantage?
But Ive been through enough 'useing Speed mods/useing thebar/having better shoes/having stronger legs/knowing the song/useing stepmania is cheating' topics over on DDR Freak to know that everyone has there own view on the game, and it usually will not change. So lets just agree to disagree.