They are good for the money if:
-you can find one that fits
-you can do your own wrenching
I couldn't when I was in your position 8 years ago and opted for a discounted NOS (New Old Stock) bike from the LBS.
Also, you might take a look at 'hybrids'. You can probably find something that fits your needs at a little cheaper price that what a roadie could be had for (new).