I recently purchased a 13.3" MB and love it! However, the screen size is a little too compact for my photography work. The resolution on these screens is 1200 x 800 and I am wondering if I can get a nice crisp display if I hook this puppy up to an external monitor (possibly 19" or larger) and get the full benefit of the 1920 x 1200 resolution on these bigger monitors. My MB lacks a dedicated video card and I'm a little skeptical that I will be unable to reap the benefits of a higher resolution monitor if I did get one. Please advice! Cheers!