They are commonly found in "budget" cases, but are a good basic all-round PSU ... they do a better model, I think it's the "R" series.
I use to buy a particular case, to try and establish a brand look, and they came with these PSUs ... however, I did have a "batch" of 6 that failed around the 12month mark, I bought 10 cases at a time ... they are quite light in respect to weight but good enough for an office PC.