They write that Apple has never shown desire to enter the cellular market. For instance they haven't helped developing a mobile OS and the iPod is also in a different price class as the Nokia N91 will be.
Furthermore, the prices don't seem to add up. An iPod mini cost about £140 in the UK. The Nokia 9300 – which is comparable to an N91 costs about £250 will limited subsidies and around £400 without.More info at TheInquirer