BenQ MW519 offers a 2800-lumen brightness rating and moderately good portability. Built around a DLP-engine, it's physically similar to the 800x600 MS517 that we've also reviewed, with the same, size, weight, and brightness rating, as well as the same set of connectors. The big difference is a higher resolution, which shows in a higher price as well, at $549 street.
The MW519's 1280 by 800 resolution makes it more appropriate than the MS517 for data images with more detail, from larger spreadsheets to more complex line drawings. The resolution also gives it the ability to show 720p HD without having to scale the image and without having to effectively turn off a high percentage of pixels on its DLP chip, which gives up the brightness that goes along with using those pixels.
Among the features the MW519 shares with the MS517 is the 5.1 pound weight, which makes it only about two pounds heavier than, and very nearly as portable as, LED-based models with lower brightness. Aside from the higher resolution, it doesn't do quite as well on image quality as the MS517, but it does a credible job on data in particular. If you need a basic 1280x800 projector, it's certainly worth considering.