Hey Ving, I just came inside from 3 hours of relatively good observing and wanted to tell you that I saw Alpha Centauri A & B, don't forget I only have the 40mm EP at the moment on a 6" refractor and it was only my second night out, but I managed after a fair amount of focusing back and forwards to separate the two.
They did not totally come apart to be two completely self contained objects, but they parted enough for me to see that they were (in my orientation) on top of each other and that the shape was clearly of two similar shapes one on top of the other.
I felt pretty good after that, so I swung towards my west to check out Sirius but after awhile I knew it was still eluding me as far as seeing the double, but I have some EP's coming and hopefully will arrive within a day or two and then I might be able to see objects a little larger than what I am currently seeing.