Like many others, I've spent some time trying to figure out what phone is the perfect one. And like others, I've learned that there is no perfect phone, but ones that suit most of your needs. For me, it looks like its the HTC Desire 1Ghz processor large screen size lightweight (ie keyboard is not suitable) not samsung (just don't care for their phones) and most importantly: international network compatibility So as I hop onto ebay to track down a decent deal on a new Desire (I'm in the USA and the phone doesn't seem to be carried by any providers here), I find that there are different models of the Desire a8181 & a8183 - the difference seems to be which networks that they're compatible on Now I don't know what I want/need anymore. I know not to expect a phone I buy to work in Japan, but I move countries a lot and switch providers each time, so I need a phone that will be useful in each place. Is the a8183 going to be best for me? Is there another phone that I should look into (possibly adjusting my phone requirements)?