a650 was glossy it was the a630 that wasn't. both used same panel...a750 and a860(or was it 850) used different panel (I believe). a750 had different bezel and 860/850 was the very thin model.
You're right; I misremembered the numbers. Been a while It was the a650 and a630 I'd compared and liked the a650 better. The a750 was different, but the a650/630 difference made my mind up for me on glossy vs matte. Went b750 a year later once I could convince myself to pay that much XD