Hello ive been looking at the delorme pn40 the oregon300, dakota10 and the vista hcx. i use my iphone to cache at the moment and like it alot. but also want something a lil more reliable that will work well together. im also a mac owner.....which of the before mentioned models would work best for someone with a mac and who also uses there iphone alot to cache? with all the recent sales im able to find all 4 models locally for about the same price so im not sure which one to pick....going to go look more tomorrow....any help would be wonderful thanks....