Thing with the phone is if I've been looking up an address on the laptop etc then google throws that up as soon as I start typing it into the phones map which is great as I don't always write things down!
As for saving time getting the phone out your pocket! Come on, how long does that take. Alright if your a wee bit eh not so agile then you might have to get the phone out before you jump in the van but other than that it's just a finger print to open up the phone, hit the map, part type the address, phone in holder and off you go.