I have taken a number of screen captures of different interactions one would have with SE, specifically on the Code Review site. Here are some of my early observations.
Please note: Throughout this trial the iPad has been held horizontally, mostly. The layout is not quite as good with vertical orientation.
An answer to said question, with comments:
Note: I had the quick navigation menu open, it's on the left. Can be reduced easily.
This shows hot network questions in a horizontally scrollable interface. It also seems to display recent questions on your "hottest" networks.
When you click on the "Active" word in the left dashboard, it gives you a number of filtering options:
Flipping to vertical view!
Test Q&A view, showing editing and preview panes
The code block seems to not be up to par yet, which is a big deal for CR.
Flipping back to horizontal view!
Large code blocks
Scrollbars for long sections of code seem to be gone on iOS app:
And that seems to be good on both questions and answers.