We got a dose of details on Dell's new Precision M4600 and M6600 workstations yesterday, and though impressed by their specs, we were left without answers to two very important questions: when can we get them, and how much will they cost? There must be some mind readers in Round Rock, because today Dell revealed that the machines will make their debut on May 10 with prices starting at $1,678 for the M4600 and $2,158 for its 17-inch big brother, though prices surely escalate quickly from there. Turns out, the laptops also have optional IPS and four-finger multi-touch
