disclaimer: dated materials, tax code changes every year, I don't know anything about you or your business, IANAL, yadda yadda

http://www.mbbp.com/resources/business/entity.html

http://www.themoneyalert.com/Corp-Entity-Table.html

http://www.themoneyalert.com/incorporating.html

http://www.themoneyalert.com/businesstypesofownership.html