I had an Acer Aspire One 722 with the Atheros Wifi card and it worked fine on 11.04. So we bought 200 of them for our school. However these all came with the Broadcom BCM4313 wireless card and there are issues. It is using the brcmsmac driver and they connect initially. However after a time (sometimes just a few webpages) some of them lose connection. However, they still have an IP and network-manager says they are connected, but no pages load and you can't ping anything on the LAN or internet. A disconnect/reconnect can fix it, but sometimes a restart is required. It happens frequently so is a major issue. Lots of broadcom drivers are blacklisted: bcm43xx, b43, brcm80211. Any ideas or experiences with the broadcom4313 card? Please save these computers from a Windows fate!