MSI's refreshed C-Series laptops appear to be quite boxy, but that may just be the sacrifice you make to own a seriously affordable Core i3 and i5 machine. The 15.6-inch CR620 models -- which include the CR620-030, CR620-033 and CR620-031 -- range from $650 to $750, and pack new Core i3 or Core i5 processors, Windows 7 Home Premium and six-cell batteries. Those wanting to spend even less have the $529 16-inch CR600, but despite its NVIDIA GeForce 8200M graphics it only has a Pentium Dual Core CPU. We had to do some digging of our own to see just how good these deals could be, and discovered that the CR620-33 with a 2.13GHz Core i3 330M processor, 4GB of RAM and a Blu-ray drive is only $699 at NewEgg. Yeah, we just said $699. If you're not looking a