>If we're into making points about making points, what's your point with your first statement above ('Thats because they are both NT.')??? < s >

The point is, they are not "compareable" to NT... they ARE NT. WIndows 2000 is written on the NT codebase, and Windows XP is written on the 2000 codebase, so logically, they are both written on WIndows NT's codebase, therefore, explaining why they are more similar to NT than 9x.