Over recent months I've seen an inumerable quantity of PSU reviews on the Internet. It seems power is a big concern these days. So, think to a year ago. Did you care as much about your PSU back then as you do now? Was that 250watt job that came with your case "up to it"?
I've been a power "junkie" for about three years, since I got my 350watt enermax. However, if I'd not had power problems, I'd maybe have been longer before becoming aware of the importance of a good PSU. I took things further with a 450watt Antec I bought a few months back. Quality!
Of course, now, with the increasing power consumption of devices and dependability upon stable rails, there's a natural increase in awareness. Still... let's see...
Vote away.