On to the next Las Vegas Spa and Fitness Center with my Diamond Card. After the pleasant experience last week at Harrah’s, I was hoping to be even more surprised. Well, in most ways, what I expected out of the slightly more stylish Paris Las Vegas was barely satisfied and in other ways, I was more impressed with Harrah’s. Fitness Center in a box! Ok, so the roughest criticism I’m going to have is first. And maybe this is just a personal preference, but I hate working out in a room with no windows and no sunlight. This is Las Vegas! We need sun! That said, there was plenty of…