I have the LongHorn 4051 Version and let me tell u the new way of "stacking" multiple source files is kool and the new Filing system works but yea the system requirements are large and the alhpa builds SUCK ..lol installed it on a comp at school crashed with in 10 minutes...well i hope when its released that Microsuck Fixes all the wholes....but here a question....5 gigs of space for windows? means the code it billions of pages long...= PROGGYS ARE GONNA TAKE FOR EvER AND MORE CDS to write...lol