I am on the 680 and I disagree.....
Theres plenty of occasions when if you'll ask you'll get to remain higher for longer especially in the UK
Try the Vulpe 1A into AGP and set a 3.7deg FPA, you'll touch the Levers once between 110 miles out and 4 miles when you chuck the barn doors out.
Im into my 4th year on it soon so I know its far from perfect but what else do you want it to do??? TL's closed from FL410 almost all the way to 4 miles - thats bloody Airbus efficient if you ask me - you cant blame Cessna for airspace restrictions