.. what to think of it
How to get there?
Note replace the domain with the correct version you use (e.g. google.nl or google.co.uk, it is not guaranteed that it works on all domains, however.
What do you get?
In the screen shot below you can see some minor changes. (Tip Click image to open it in a new window.)
The most interesting is the left side bar with the bar showing the number of results in the different categories. This gives some clue to what results are available.
For the rest there does not seem to be too much changed. Which is a good thing. The overall minimal look and feel is one of the powers of the Google experience and should not suffer from too many enhancements. No bells and whistles please. Google seems to stick to that approach.