Setup was surreal. Instead of the blue wizard, a glass-like pane floated over a rippling background. Each step—select language, accept license, choose partition—was accompanied by subtle animations. Radio buttons filled like droplets. Check marks drew themselves with a flourish. When he typed his product key (found in the same forum thread, posted by a user named "Ghost_of_Paul_Thurrott"), each digit splashed briefly before settling.
If the complexity or risk of an Aqua ISO turns you off, you can achieve 90% of the look on a installation today without any ISO hacking: windows aqua iso
The Windows logo and screensavers are modified to explicitly say "Windows Aqua". Technical Requirements & Installation Setup was surreal