There's a fine debate going on as we speak about Dell's back-to-school consumer laptops, but personally, we've always had a soft spot for Dell's small business-focused Vostro line. The outfit's just announced a new addition to the lineup, the 13.3-inch V131, and while it doesn't look that different from the last-gen V130, it offers all the spec bumps you'd expect from a laptop announced in mid-2011. With this generation, you get Sandy Bridge Cor