I'm the team leader for Salariel. Although we specialize in translation, our team includes native US English speakers who also specialize in proofreading. We may be new to GAF but we are not new to providing high quality editing with attention to detail. Our bid is $1 per 500 words (or $0.0002 per word). We can proofread 3,000 words in 48 hours - sometimes faster depending on our workload. If you'd like to have us complete a sample or provide a sample of our own, just let me know. The Salariel team is ready to start working for you!