Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5) Just bought a new 13" base MacBook Air today and one of the things I wanted to get was an external hard drive as I dont think 128 gb of flash is enough for me. I've been searching online and just don't know which to buy. I don't want to spend that much maybe $80 at most, I dont know if it's possible to get a quality one at that price. I want it to be slim and portable for sure but with at least 500gb of memory. Any suggestions? Thanks!