Avek,
Don't be so dramatic...let the truth be written.
If you do a search of UA and CO forums, you'll find loads of information. Also search the CO forum for 'deny CO the freddie.' That will turn up some informative results.
A couple of years ago at a flyertalk dinner, a few guys tried to convert me to CO from UA.
The following was the biggest negative...
CO never had award availability at the low rates, only the higher mileage.
So what's the point in obtaining miles if you can't use them?
FYI, I've been flying UA since 1988 and have been satisfied. I've scored close to 100% on award availibility.
Dan