V7 GPS Navigation NAV740 and NAV730 Review

V7 released two new GPS navigation devices the NAV740 and NAV730 , both of them are portable device that come with a SiRFStar III GPS chipset inside and a 400MHz processor to run everything. Also it come with preloaded maps of all 50 US states as well as the ability to play both audio and video formats also feature an SD memory card slot that holds an SD card. So now you must be ask me what is differences between the NAV740 and NAV730? The main difference between the two are the screen sizes - the 740 comes with a 4.3" touchscreen display while the 730 is smaller at 3.5" (also a touchscreen). The 730 and 740 will retail for $199 and $299 respectively.