Not to reconviene the thread upon it's first purpose, but I shave in the evenings and have a fairly quick growing beard. I really can't go more than 24hrs without shaving and people not notice. That said, I don't get a 5 o'clock shadow until around 5 o'clock the evening following my shave which is about 21hrs of growth (I tend to shave around 8pm). I'd have the same look after shaving in the morning with a cartridge with only about 11hrs of growth.

YMMV, but I think shaving in the evening will still keep you looking good for work the next day. Plus, coming to bed with the smell of aftershave and a smooth face is not a detriment to evening activities if you take my meaning.

Peace,