Dedoimedo posted a review on Ubuntu 11.10 Oneiric Ocelot

Brace yourselves! This is a super uber extremely long and enthusiastic review of Ubuntu 11.10 Oneiric Ocelot with the Unity desktop interface; topics include testing on two systems, with 64-bit processor and a new Nvidia card and 32-bit processor with an old ATI card, live session use, installation to local disk and external USB disk in multi-boot configurations with Windows 7, Windows 8 and other Linux distros, Wireless, Bluetooth, Samba sharing, additional proprietary drivers including Broadcom and Nvidia, Nouveau replacement, web camera, look and feel, Unity 3D and 2D, applications, new features, user picture, account imports, Ubuntu One cloud storage, backup, Ubuntu Software Center, Music Store, multimedia playback - MP3 and Flash 11 with native 64-bit support, games and software for purchases, system menu and settings, performance, responsiveness, system resource usage, stability, suspend and resume, battery life, virtualization support, proxy support, fonts, icons, printing, kernel version 3.0, upgrade from previous version, interactive tour, and more. Take a deep breath, commence reading.

  Ubuntu 11.10 Oneiric Ocelot review - Damn good