Since you live around the city, here are a few things that might be useful:
Good IEM's (in ear monitors, they're the headphones that plug into your ears with silicon seals). You could get a really nice pair like the Westone 3's on sale for your budget. Once you've listened to your music with a good set of IEM's like that, it's really hard to go back. They just bring out so many little details that you've never heard before, and you don't have to blast your music to hear them. These particular ones, are small and portable, fairly durable, have great comfort, excellent noise isolation to block out the city noises (enough to go shooting with them, so around 30dB isolation), are highly efficient so they won't run your batteries down fast, and sound great. Each one has three drivers inside to handle the bass, mids, and treble separately for better sound.
High-end sunglasses. There are a few interesting options out there. One of my favorites is IC! Berlin. They have a neat video on their site showing how they work and how flexible they are. Basically, they make their frames out of stainless steel sheetmetal that's very flexible and difficult to break. However, they're also very thin, so they're nice and lightweight (lighter than my titanium frame sunglasses). The hinge has no screws to fall out, and the lenses and frames can be disassembled without tools. Mykita uses a similar principle but different hinge design in their sunglasses.
Fountain pen. These are pretty nice, and very useful if you do any extended writing. Since the ink is delivered by capillary action, you don't have to push down at all when you write like you do when you use a ballpoint, so your penmanship looks a little nicer and your hand won't get tired as easily in long writing sessions. Within your budget, Pelikan has some nice piston-filled models with solid gold nibs, and Sailor has some extremely reliable options, also with gold nibs. Take care of your fountain pen and it will last you a lifetime. I have some fountain pens from as far back as the 1920's that work fine, and they were built with more fragile materials then.
