Congratulations!
You might have read on the other threads that I became a vegetarian after reading Skinny Bitch. It goes into some detail about nutrition. Here are some sites that have been helpful for me.
http://www.veganforum.com/forums/index.php http://www.vegcooking.com/index.asp http://www.vegdining.com/Home.cfm http://vegweb.com/
I am eating way healthier as a vegetarian than I ever did as a meat eater. It's really not difficult at all. The only thing to watch is you vit.B12. You can get it through fortified foods (cereals, breads, etc) or just take a good multi vitamin- most people benifit from that anyway.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226