Windows 8.1 Features and Future Fix?

Yes Windows has made a reverse counter move by releasing the 8.1 yesterday available to download at MSDN whilist claims that the RTM version is not the final version of 8.1 so what do you like about the features of the 8.1 and what do you want Microsoft to fix in the GA "General Availability" which is the final version of 8.1 on October 18?