I dunno...it depends on a few factors.
What speed ?, 8, 9, 10 ?
I replaced the chain on my 10 speed a few months ago...chainrings looked ok, cassette was showing a bit of wear, but i thought it'd be ok....and it's worn the new chain excessively fast.
8 speed (which i know it's unlikely to be) is pretty indestrucable, 9 speed wears that bit faster, and boy...do you have to take care with 10 speed.
I'd say for 10 speed, consider your options very very carefully.