I was hoping to upgrade turbos soon. I have a fairly stock redtop sr20 and was wanting something that would maintain quick response, affordable, and a bit more peppy than the t25. I'm extremely interested in the Forced Performance Big28 turbo. However, I have access to a used "disco potato" that I could pick up for a very reasonable price. Does anyone on here have any first hand experience with both turbos? If so any input on which you prefered and why would be appreciated.