From the official blog, here are a few ideas that are marked for deployment next release:

• Sales Funnel Graphic
  
• Display actual values in charts (long overdue IMO)
  
• Ability to use multi picklists in formulas (excellent, this increases the functionality of the multi picklist exponentially; I can already think of a few ways to apply this to my org)
• Recurring tasks
• Better iPhone support
• Blackberry Storm support
• Several tweaks
• New Apex functionality

You can check out the full list here.