There is a sticky thread at the top of forced induction with lots of dyno readouts to go through.
Then there is a wealth of information if you use the search button.
Basic upgrades are as follows:
hiflowed stock turbo: (keywords) hypergear, GCG, hiflow
after market turbo: HKS GT-RS, HKS 2835ProS, HKS 3037 ProS, Garrett, GT3076, GT3071
Plug some of those keywords into search and see what you find.