I am looking to purchase some new or refurbished projectors for the school I work in. In looking some over I have found three questions that I have. 1. Do Lumens matter? If so, how? 2. Is there any significance to ANSI Lumens? 3. Most projectors are listed as SVGA, but a few are XGA. I assume XGA is a more advanced offering, but what is the difference, if any? Thanks. PCBUILD's List Owners: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>