Some questions:
- Can you preview attachments in Mail without downloading? If so, what types of files does it support? (PDF, doc(x), ppt(x), xls(x))
- Is WPA2 supported? Persistent W-Fi? If it detects a known Wi-Fi network, does it automatically switch over from 3G? Can you completely disable cellular data?
- Can you save pictures from IE to your phone? How does one send that picture to twitter, facebook, or IM?
- Is there autofill in IE? Any sort of password manager?
- Can you download files from IE?
- Is there a way to scroll back to the top quickly in apps?
- Can you use bookmarklets? (
http://ipuhelin.com/en/safariplus/)
- What quality setting does Youtube have? Can you change it? Can you upload videos directly to youtube? (HD?)
- How is the camera/video interface? Tap to focus?
- Can you search texts or emails?
- Google just added docs support for mobile devices, does it work on WP7? (access and create docs/ppt/xls)
- Spell check/dictionary support in text fields?