I hadn't heard of the fx4a, had to look it up. Haven't seen any reviews except previews. Does it exist? I like the tiny size, but 40-17 meters would bug me. i would miss 80 and 10, and probably wouldn't use 17 or 30. But that's just me. As to the 703, I have no info on it, except that if it's like the 706, it might not like to run on batteries. It was the Icoms that I remember having trouble with a narrow voltage range requirement...but maybe the 703 doesn't have that problem. And I like Icoms, have an HT and a receiver that I love. And I'd bet that the 703 could be smaller/lighter than the 817. For a 5w radio the 817 seems pretty heavy. But I know a couple of guys that have them, and they seem pretty cool.