It's a terrific mod and will give you back the grey(merchant) and red(warship) sonar lines as well.
If you're a perfectionist, it does omit 5 of the new GWX ships (they're grey only when zoomed in, so not a big deal). But if you want to fix that manually, see this thread:
http://www.subsim.com/radioroom/showthread.php?t=103614