Google Blogoscoped has a Google Feature Request page where you can write your top 3 feature wishes.
What people want from Google?
* more reliable spam detection
* search within Gmail attachments
* integration with Reader
* voice in Gmail Chat
* cross-language search
* being able to search for parts of words instead of whole words
* support for regular expressions in search
* request pages that are under a certain size.
* search results in RSS or Atom format
* integration with AIM, ICQ, MSN, Yahoo
* send files with GTalk
* record GTalk conversations
* voice conferencing
* Calendar sync with Pocket PC, PDA
* Mobile Calendar
* show Google Calendar within blogs
People also want: GDrive, better integration between Google services, updated Blogger with categories, cross-platform Google Software and a better translation service.
This list contains the feature requests sorted by frequency.
What do you want from Google?