Hi Angie
http://www.conferencealerts.com/
Unsolicited email aren't the easiest way to network, and on that I totally agree with H for the reasons given. Conferences are your best bet. You can subscribe to the above site. You should also check out conference advertised in your uni and others, in journals, etc. Search online using google, e.g. Conference + 2008 + your topic. Get involved with journals, do book reviews if it's too early to start writing papers. Seminars, workshops also are ways of meeting people. Also check any research bodies for your topic area, they may also have annual conferences, with slots (and sometimes funding or special rates) for PhD students. Best of luck.