The GWX Contact Color mod will return the friendly/enemy/neutral colors to your ship icons, as well as the directional "tails" that you were used to seeing in stock.
http://www.subsim.com/radioroom/down...?do=file&id=33
To get the surface marker for your u-boat back, you can try these:
http://www.filefront.com/15467417/Umark.7z/
http://www.subsim.com/radioroom/down...do=file&id=702
I'm pretty sure the first one returns it, the second one definitely says so in its description.
I found the big slideout compass unnerving at first and I still wish it wasn't so 'sensitive' to me mousing about in that area - even so it's now my 'go to' choice for navigation because of the added precision, as Gargamel has rightly pointed out that little one doesn't allow for anywhere near the kind of precision you get with the GWX slideout one.