It seems it's normal for routers to just lock up every few days, and people just powercycle them to fix it. That's ok for a home computer, but there's a server behind the router at work, so it's quite important that the router is reliable and doesn't just lock up randomly.
We're currently using a cheap Linksys router (WRT54GH) and experiencing such problems (as described by other people on the web too).
Should we get some sort of more professional brand? Or another, higher-grade model line from Linksys? What would you recommend?
For the record, here's a question that describes my exact problems fairly accurately.
Our router is under a very light load (about 3 simultaneous users max).