3com, Netgear and of course Buffalo.
3com
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Dispite actualy having problems with one model of switch at work (one and only problem) 3com still make about the best performance nic cards on earth.
Netgear
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Make lovley switches and very good wifi nic's (access points could be better).
Buffalo
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They pretty much are wifi personified
Linksys..... From personal experience id have to say.... Not if you paid me a shat load of cash