Dial-up is fast enough for WoW. I can't say for certain on the satellite, but I know latency has always been a big problem, making satellite less than ideal for online gaming. If the latency is better than dial-up, then you should be ok. I was getting around 300-500 latency in WoW on dial-up, and it was perfectly playable, though PvP might be a problem (I switched to broadband before I was high enough level to get into contested areas, so dunno how 300+ latency would affect it). Get about 50-200 on average with broadband.
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