presumably the police are not using a GPU, which seems to be a major source of issues in our lab.
64 bit ubuntu gives me more hardware headaches than 32 bit for things like wifi. Again this is for police desktops so probably they don;t use wifi.
The less frills and peripherals the better, I guess. Although I've usually seen most cheap desktops come with some entry level video card, so I doubt they have none at all.