I have and really like my Arkel big handlebar bag. I use it every day touring, commuting, shopping, out and about in the PNW. The front pouch isn't waterproof yes, that's why I don't put water sensitive stuff in there, I put my extra straps, saddle cover etc there. The main compartment is very much rainstorm proof. I have very much abused this bag and it is still solid.

I like the metal mount and the shoulder straps are much better than the Ortlieb. I also have owned the Ortlieb Ultimate front bag, but ended up selling it. I didn't like the mounting mechanism, and found it a bit flimsy, I also was looking for something slightly bigger.

Now there are brands other than Arkel or Ortlieb and they may be better and I just don't know, but I am quite happy with the Arkel bag.