Just keep up in the field. Journals, articles, books, etc. Especially legal interpretations. It took me around a year, even longer, to land a job in the field after grad school, despite myriad positive internships. Few entry level positions, and massive budget cuts in the Pac NW. It really depends upon the area of the country - the field of planning goes through ups and downs in terms of how hated it is in certain states. I'd be careful of going into the private sector, especially the development arena, until you've been able to get your feet wet in the public sector - especially in the current planning arena.