I know it is probably too early to ask this question. Will PG run on Longhorn? At least on the developer copy distributed at Microsoft PDC last year? Is PG a kernel hack or a written using documented Microsoft API? Is there a high chance that PG will not work on Longhorn because Microsoft decides to disable certain essential API that PG relies on and PG has to be rewritten from scratch? I just want to know how DiamondCS is going to handle the gap on the transition from XP to Longhorn. Will PG be rewritten to be .NET compatible?