The Canon 50mm 1.8 shoots great pictures, and for the price, has unmatched IQ. The build quality is wretched though - they fall apart easily. Some say for the price, who cares? But I care . . . if I'm buying a cheap lens b/c I don't have much money, I don't want it falling apart. I need it to work.
I ended up going with an alternative . . . a vintage Takumar lens that has an extremely good image quality as well as build quality. The SMC Takumar 50mm 1.4 is a faster lens, it will take far better pictures, and is built like today's top-tier lenses. When the SMC Tak 50 was being produced, Pentax was vying with Zeiss for market dominance, and it's widely believed that they took a loss on every single SMC 50 1.4 that they made. They are extremely nice, and the IQ is fantastic.
Now, you'll have to find a good one used (they are easily found on eBaY), and you'll need an adapter (
~$6 USD on Amazon). You can also expect to pay $120 - $200 for a nice copy of one (I paid $160). Finally, they are manual only. You won't be autofocusing.
All that being said, I am so damn happy I got this lens. As a newbie to photography, it's helping me take beautiful photos that I wouldn't be able to get otherwise.
Read some reviews on this thing. Amazing bokeh, incredibly sharp even wide open, really fast at 1.4, and built like a luxury tank. Just remember to find the SMC version, preferably not the S-M-C or the Super version (although those take great pictures and are typically less $$$). The SMC not only has the nice coating, but it's also got 8 aperture blades, producing a super creamy bokeh.
EDIT:
Some samples . . .
A completely unprocessed jpg. I'd process it differently, but just to show you what a low light, indoor shot can look like with this thing . . . and I think this may have been at f/1.8 rather than f/1.4. I can't remember.
Note the slightly imperfect focus is my fault . . . the cat was moving a lot, and again . . . this is a manual focus lens only.
A cleaned photo with better focus, some post processing (desaturation, etc.) and again, an idea of what this lens can do indoors. I seem to remember snapping this one in the evening, inside, and based on the 1/40 shutter speed + ISO 500 + DOF, I'm guessing around f/1.8 or f/2. This thing has a razor sharp DOF when wide open.