Just found out that our new MBP’s are not quite ready for triple boot (it’s the wireless lan as usually):

• MacBookPro – Ubuntu Wiki
  (tags: macbookpro tripleboot ubuntu)
• #1001 (HAL does not support new Atheros chipID 0x0024 (rev 01) on new Macbook Pro) – MadWifi – Trac
  (tags: macbookpro c2d wifi problems)