I don't know what it is about Lone Star, but its one of the few chain restaurants I actually don't mind frequenting. Despite not having ordered a ton of things on their menu, I'm a huge fan of their always hot and fresh tortilla chips and their generous fajitas for two.
Although Lone Star isn't the most upscale or the most casual of restaurants, it's over the top campiness and environment makes for a pretty fun date night or a simple dinner with friends. Recommend trying if you're around.