willybfriendly - 5:32 pm on Mar 31, 2010 (gmt 0)
I rolled back after less than 24 hours on 10.51. Way too buggy - to the point of not being usable.
It will not impress the potential new user base they hoped to reach. These days people expect their software will "just work". Even us geeks are loath to be surfing around looking for fixes or work arounds.