Comparing the two pics, the xtel pole looks like its bent in the middle, it might be just an optical illusion but it still looks a bit bendy at that height. The SL2 would be lighter and it does look a lot more rigid. However the xtel would be easier to extend especially in a tight situation. I really like the xtel range but I think at that height the SL2 is probably the way to go, unless you have a job with bad access.
I must admit I do feel the same as Dave when it comes to brushes. Even if a bently does do a fantastic job, image is as important as equipment, some people will pick a window cleaner because he looks the part more. I have however heard really bad reports about the bently, bonzer told me that when he started using it he got loads of spotting. I can't wait to try out the new brush from gardeners especially when they bring out a double trim version.
Simon.