**_Micro-budget version of “Deliverance” with females as the protagonists_** Four women in their late 20s enjoy a girl-getaway in the Everglades riding ATVs, hiking, camping and canoeing. The vacation turns harrowing, however, when they stumble across three malevolent swamp rats. "Blackwater” (2007) is just what my title blurb says, a combination of “Deliverance” (1972) and “I Spit on Your Grave” (1978) set in the wetlands of southern Florida. You have to appreciate micro-budget Indies to enjoy it. While the acting is definitely second-rate, the colorful cinematography is top-of-the-line and…