I had tried to install Ubuntu 8.04 onto my Dell Latitude D600 when Hardy Heron first came out. Everything worked EXCEPT the Broadcom Wireless. It produced a computer-stopping, hardware error just before GDM came up (presumably when the firmware was being loaded into the chipset). So I went back to the reliable 7.10. Well I have just tried again and now it works! 95% of the time! There seems to have been a kernel update since 8.04 was released. Awesome! The error does still come up occasionally  (which requires a reboot) but usually within the next couple of reboots it will be OK. For me its workable and I have also included the Ubuntu Studio repos so its running quite sweet now.