choose

I am still trying to decide what type of sat-nav to get and I have narrowed it down to either a Navman iCN 630 or a Garmin StreetPilot 2610. http://www.leadmedia.co.uk/navweb/Home%20Pages/IndexGpsNavigation.htm They are both listed here but I could really do with some help on choosing...

I'm thinking going to germany to buy a used sport coupe 220 cdi, but I don't know which gear box to choose! The manual gear box's on mercedes are a bit slow, and the automatic transmission are almost perfect but only with 5 speed (I have a 1998 CLK200K with 192hp-portugal edition, with auto...