I'm a long way from retirement, so I can't help on that front... But was reading through this as my wife and I are working hard on building our nest egg, so I clicked on this thread out of interest.
My comment to everyone here is to be careful when you compare you monthly expenses as some of you are in Canada and others are here in the States. I don't know what the current exchange rate is on the Canadian to US dollar, but I imagine this may be skewing some of the conversation.
Just my $0.02 (US)