First off, anyone who considers a FiiO an Audiophile product hasn't heard good sound, or is just delusional. I think people would even consider the Pico and D10 Mid-fi in the grand scheme of things. While a budget product is really something to look for, at this level are headphone amps really worth it? The FiiO E5 might have been worth it, because 20 dollars spent may not move you into another teir of headphone, and it adds some bass and sound stage. 100 bucks, or even 80 bucks puts you pretty easily in the next tier headphone. Which sounds better, 50 dollar IEMS and a 100 dollar amp or 150 dollar IEMs. Most people would agree with me that headphones are the biggest upgrade. EVEN if you are using a computer, why would you use a budget amp with nice headphones. If you have limited money, is it really worth buying an amp like this, a lot of people come to that question. I have heard the Icon Mobile, and it sounds good, but not that good. It doesn't sound better than using a pair of 250 headphones instead of 150+ amp. Since this is portable, most portable headphones don't even require an amp. I use my Pico just mostly for the DAC. I am pretty pissed with both the T2, and the Headroom Micro amp. The D2 Boa sounded nice as well, and I think is a good investment for someone with a pair of headphones like the D2000's. If you have better gear than this, what does this offer that your better gear doesn't. Like I said, I would be surprised if the DAC and the Amp part competed with the D2 Boa. When the Docking system comes out, How much will that be. You will start getting into money crunching territory. FiiO hasn't ever made a real quality product. They made a cheap product that seemed to be worth it for IEM's and even some headphones.
I love how you mention my low end customs, but they actually make economical sense. It would either be choosing between custom tips or customs shells, they are about the same price with Unique Melody. Low end customs actually sound better than high end universals. Will the FiiO's low end Amp/DAC have something like that to compare to? Also, it would be hard to listen to music without headphones or speakers, and generally they are the most important thing in a setup. Thats why you build around the headphones. People buy K1000's, then spend more on the source and amp that sounds good with them. Buying a FiiO is fine if you have low quality stuff to begin with, but for 80 bucks? Why not just upgrade your headphones.
I am sorry I am actaully trying to have an opinon about a product that is the opposite of what most people think. Maybe people wouldn't waste as much money if there were more people that are actually objective about their purchases instead of pushing a niche audio price range that makes no sense.
-scott