It's good, I just have some advice. Make sure to get a different PSU, that one is way overpriced. Also the BX200 is much worse than the BX100 and Toshiba HDDs are not very good.
It's to show new or novice builders how to put it together. Benchmarks take a considerable amount of time to run, so we typically don't include them with our content. Though that may change in the future.