Show the system load adverage in the GUI front page. Obviously it does not have to be updated in rea time. Once every 20 - 60 seconds would be fine.
yes. currently system monitoring says just okay. but i like to see there more exact data, such as drive temp and cpu/mem load. network graph is also cool and traffic stats by users in time. just look how great it is done in tomato firmware for routers, and make alike