So my basic airbrush gave up the ghost last week (me probably keeping it in cleaning liquid too long and letting it rust a touch), and I have just received my replacement one. It is the same one as before as I was very happy with the top feed hopper and the ease of use with it. I bought it from eBay for £15 which is obviously ridiculously cheaper than the £300 ones you can see. It does the job for what I need.
Roll on the weekend so I can continue with the sons of Olympus.