I have heard the same about BA; if they do charge you for a repair it will be minimal. Having said that, it sounds like you are in the market for an upgrade if there are significant improvements; and I would say that it's a matter of preference.
I have a BA Q-Core that I can bring if I need light weight insulation, but I much prefer my Nemo pad. I could do without the integrated pumps that Nemo and Exped insist on; they are added bulk and weight for convenience. The horizontal baffles help sliding on hills and just plain feel more comfortable compared to the vertical ones on the BA and the pillow baffle, which isn't big enough to solely act as your pillow, does help get some loft and keep your real pillow in place. For full disclosure, I did switch to the 25" for the Nemo as my shoulders are too broad for a 20" pad and my arms hang over onto the ground. Unfortunately Nemo doesn't offer a 20" tall if that's what you need, but the regulars are 20".
Was at REI the other day and I was checking out the new pads. I was interested by the S2S pads, but they aren't really thick enough to work as well as the 3" pads for a side sleeper. The REI pads are interesting, but again thin. The NeoAir pads are just plain loud and again, thin. So if you're a back sleeper there are a lot of options out there, but side sleepers don't have as many. It's a little on the heavy side, but the REI Cirrus is worth a look and very similar to the Nemo Astro Lite. Exped makes a great pad, but I've read a lot about internal baffle failures on the LW models, which happen to be the ones without the stupid pumps; so thats what ruled them out for me.
Ha. You know though, I wouldn't mind self inflating. After a hard day I hate having to blow that dang thing up. I wouldn't mind something entirely new.
BA offers the pumphouse, which is simply a stuff sack that will attach onto your bag for blowing it up. If you go the Exped route, they have multiple pump options including a bag or a foam pump that doubles as a pillow. If you want an integrated pump, it is offered in some models by Exped, Nemo and REI.