The problem with most e-readers is they’re not really intended for reading books. They’re meant to sell you books. Amazon, which has the biggest market share in the US, is especially notable for doing this, but Barnes & Noble is guilty of the same thing. Kobo is perhaps the least offensive about this — it’s got Pocket and Overdrive integration! But oftentimes, when I found myself totally enamored with Kobo’s gorgeous new color e-readers, I’d suddenly get slapped with the…