You hear the term ‘iPad Killer’ an awful lot, don’t you? Well, like, I guess you would if you read tech blogs with any regularity. If you’ve trickled all the way down to Techi, I’ll assume you do, and I’ll also assume ergo that you have, in fact, heard the term ‘iPad Killer’ an awful lot. So we’ll start with that. Anyway, I’m not going to talk about an iPad Killer today. Good grief, am I ever not. Today, I will regale you with a tale of the HP Slate, the real goddamned expensive tablet that sucks out loud – for the price, anyway. To be fair, the Slate isn’t the worst machine in the world; this is, of course, presuming…