Different wireless modes option, N-Only / G-Only etc, on wireless basic page.
Wireless transmite power option on wireless advanced page. To be able to reduce wireless power output level with Low, Medium and Full options if full power output is not needed.
Better support for connected clients with packet info, received/transmitted/errors for each IP address or MAC.
More options for Bittorrent client. Seeding priority / target, DHT, IP block list.
Ext2/Ext3 linux file system support for usb connected storage.