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The good thing about noodlers is that they carry a waterproof range. I think they are called "bulletproof". A good resource for fountain pen lovers is https://www.nibs.com/ They do repair and custom work too.
...what is a reasonable price for a decent fountain pen?
Refillable pens can be had for not a whole lot more, but the ink reservoir will be smaller, so, even though they usually come with a free cartridge or two, you may end up wanting to buy a few extra cartridges or a bottle of ink in order to get enough writing time to really get a feel for the pen.