They rank no problem,I have one in top 5 for a 74k national search (UK) the only sites above me are the bbc,daily mail(newspaper) and something else(newspaper),I'm above the telegraph(newspaper) it's the highest ranked real business site as I say only newspaper sites with mega pr above me and I've gone past 2 in the last month.It's not an EMD either it has NO keywords in domain name at all.
is .co free to register ?