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Welcome to Part 1 of Tom's Hardware's 2011 Holiday Gift Guide. This first installment is geared toward system builders planning to pool some Christmas cash to build a new performance- or value-oriented system. We have something for everyone this year.

You don't need a massive case to cram in tons of computing muscle. With a little help from a few manufacturers, our excessively-overclocked GeForce GTX 580 SLI build is small enough to sit atop most desks (and smoke our $2000 SBM machine).

Because integrated GPUs generally employ shared system memory, RAM performance has a significant effect on gaming frame rates. We're testing seven 8 GB DDR3 kits that manufacturers tell us are a perfect match for AMD’s mainstream Llano-based APUs.

Intel’s newest platform lineup has the same memory requirements as P55 Express, yet some of the modules available for it are rated differently. We discuss those differences on our quest to find the best performance/price in an 8 GB dual-channel kit.

Nvidia sure didn't waste any time introducing its Fermi architecture to the workstation space. Its Quadro 5000 is one of the first models to use the company's GF100 graphics processor. How does this card stack up against ATI’s flagship FirePro V8800?

High-end RAM prices have fallen far faster than they have in the mainstream market, enticing mid-budget builders. As 4GB mainstream kits hover around $100, Tom’s Hardware asks the question “How much more can we get for a few dollars more?”

Recent price drops have made 4 GB DDR2 dual-channel kits affordable for even the most cost-conscious buyers. We pushed nine models to their limits to determine best value for a broad range of users.