I haven't quite bought a 128 x 160 display yet. I said I moved the project to 128x160, but so far, that only goes for my screen designs.
I know that Adafruit has great quality TFTs, but I see that there are cheaper ST7735 displays. What about the SainSmart one, for example?
https://www.sainsmart.com/products/1-8-tft-spi-lcd-screen-with-microsd-socket
I did buy a Chinese 1.8'' display off eBay once for around £5... it was, erm, disappointing. Not only did it take me the best part of one weekend to figure out how to wire it up, but I also had trouble finding the correct libraries and getting them to work. And the display also lacked contrast and overall build quality.
Generally speaking, I would like to have a display with a small physical footprint.