*http://www2.fiskars.com/Products/Gardening-and-Yard-Care/Ree...
The big problem with reel mowers is that they only work well when the grass is already short. If the grass grows too tall (which isn't that much), the mower just pushes the grass over, or gets bogged down in it. So you have to be absolutely religious in cutting the grass on time. I've used reel mowers at a couple of houses I've lived in; they were great when the grass area of the yard was tiny and the grass didn't grow too quickly. But where I am now, there's just no way.
Got one of this for my lawn about 8 years ago and it was probably the best investment i've made for the lawn. Not only does it remove the maintenance but it also keeps the grass cut to a certain length, drying out the weeds and fertilising the grass with the smaller cut off parts. On top of that it's electric.
I agree, trees would be better but in your situation i can only recommend it.
EDIT: Forgot to mention, mine been running for 8 years with only 1 battery replacement and the occasional razor blade replacement. The climate where i live is really rainy and it has survived so far.
you can manually do both of these things though