SanDisk's new Extreme SSD sounded nice enough when it launched recently, but we weren't expecting anything too crazy -- just another 6Gbps SandForce-based drive that would compete on $-per-GB more than performance. As it turns out, that doesn't do it justice. StorageReview has shown that the unit actually beats the Intel 520 in some key real-world tests and delivers a "chart-topping" 4K random write speed of 88,324 IOPS. With the bonus of the low price-point -- starting at $190 for 120GB -- and the level