Around here, all you need to get an interview is sound like you know what you're doing. However, to get PAST the interview you need code samples and to actually know what you're doing.
So I'd add to that list: Be willing to commute or move to find somewhere that has more job openings.
or telecommute
Or if you are LAMP developer, skip the blog post and email johnny@cpap.com for an interview. :-)
Oddly enough, that's a point I didn't say much about. I've found that online communities like HN can be pretty good for getting interviews.