I’m not near this point in my career but this article caught my eye and had some good tips for when I will be looking for representation. Do agents really ask you to get 8X10 glossies? That’s ridiculous. Although handing them some horrific glamour shots would be pretty funny.
http://www.huffingtonpost.com/2012/09/19/writer-tips-literary-agents_n_1894543.html?ncid=edlinkusaolp00000003

I think the biggest thing is to do your research before you submit queries. Google is there for a reason! I Google the hell out of everything. Has anyone already started or gone through this process? What have you encountered?