Nvidia's GeForce GTX 295 is the single fastest 3D card on the market, and for a relatively aggressive price. Added bonuses like power efficiency and PhysX support sweeten the deal, but even without those extra benefits, we'd still recommend this card for its processing power and comparative value.
AMD's new Phenom quad-core CPU has little to recommend it over competing chips from Intel. The Phenom is marginally less-expensive, but not enough to make up for its subpar performance. Unless AMD drops prices more aggressively, it looks like Intel will maintain its grasp on the CPU market for the foreseeable future.
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No other 3D graphics card comes close to this bang for the buck, making the 320MB XFX GeForce 8800 GTS mostly an easy decision if you need a midrange upgrade. Nvidia still has to polish off its Vista software, and the sooner-or-later arrival of competing cards muddies the waters a bit, but if you need a midprice graphics card today, this should be your pick.
For companies that buy 3Com equipment, this 802.11b card's proprietary features could be worth the price. Others should look elsewhere.
3Com's Bluetooth adapters are pricey, and with few compatible devices currently available, Bluetooth has yet to evolve into a compelling, proven networking solution.