Require Totally New UI Design/Thinking

identity
- single sign-on
- password and cookie management
session saver
rss view and management
notifcation/status/security UI
anti-phising
auto-save text area persistance
greasemonkey-like content manipulation
- site specific options
- consumer accessibility
surfacing page info
- ease of content acquisition
- rss detection
- media type detection
bookmarks and history navigation and management
- scrapbook or grabbag concept
- content management, tagging, ease of use
- history navigation
- meta data
- full-text search
- implicit filtering for relevance
- remote/sharing APIs and integration pts
- auto-linking/smart tagging
- preserving DOM state
- baynesian training
- portabile profile
page change notification
intro/tutorial mode
leveraging micro-formats to drive automation
bluetooth support
- send url or content to device (pda, phone)

Require UI design changes

tabbed browsing
search improvements
stub installers
annotation of web content
extensions security
- white listing and black listing (of both extensions and plugins)
- third-party signing of extensions by mozilla
spell check
download manager
- parse/resume
- schedule
- p2p support
aging population accessibility
- smart font sizing
- real page zoom
"find" and other integration for web apps and text areas
user directed zoom windows
- panning vs. scrollbars
Extensions
- APIs and versioning
- "options" management
improving themes/skinning capabilities
developer tools
- venkman
- DOM inspector
- embedded content accessibility