Maybe Apple and Steve Jobs are just right in this issue. Multitasking is not suitable for mobile devices with these current hardware resources - still.

I had serious problems during this week trying to just use Mappero and µBrowser at the same time during visiting a foreign city abroad. (PR 1.2)
Yet trying to take photos while those two are in the background, will make N900 unresponsible and a few times I had to reboot by removing the battery. It is irritating!

N900 does not have enough RAM-memory perhaps, or kernel is jut not suitable. It shouldn't (thinking it is a Linux system) go so dead just multitasking 3 applications!

Nokia Maps was useless, as it cannot route or find locations offline and even if routes and locations are found when connected to WLAN, one cannot save them anyway, so you will probably loose them when going outside the WLAN zone. Mappero would work, but it is perhaps too big program to be usable in N900 - one wants to take photos also while tracking.

I must say, I was very dissapointed during this week. Should have taken my old N95 with me instead.