hi people,ive been thinking about getting a portable navigation for my honda.i have 2 cars so i cant get anything intalled inside .so ive been looking at portable ones.garmin i3, garime i2 , magellen 360. ive seen these priced between $350-$400.im curious which are the better quailty navigations?? garmins seem to be very simple and easy to use.can anyone give me some feedback or advice about any of these brands or products.thanxx any and all feedback is much appreciated