If it seems like MSI is dropping a lot of laptops this week, you're not imagining things. The company just announced the FX620DX and FX420 gaming rigs and two mainstream notebooks, the FR720 and FX720, some of which join the 16 laptops it unveiled at CES. The FR720 and FX720 are both beastly 17-inch desktop replacements, with prices ranging from $710 to $900 depending on whether you opt for an Intel Core i3, Core i5 or Core i7 CPU, and whether you stick with integrated Intel HD 3000 graphics or spring for one with a discrete NVIDIA GeForce GT520M card. As for the gaming machines, we have to say they're pretty conservative-looking, with black lids made from a non-peeling, scratch- and smudge-resistant material, and a handful of chrome accents and blue LEDs thrown in for good measure. The 15.6-inch FX620DX packs either a quad-core Intel Core i5 or Core i7 processor, NVIDIA GeForce GT 540M with 1GB of video memory, and a 720p webcam. The 14-inch FX420, ...