Is this a good pc for this pricepoint?

That is a decent deal for the pricepoint. However, don't listen to the comments above. That CPU will not bottleneck. However, you do have better options. Also, the RX 580 fails to be optimized for many games, so you wont be able to see it's full potential quite often. Other than that, if you don't feel comfortable building, don't build. Cyberpower is a reputable company. Don't listen to people trying to pressure you into a prebuilt. To each his own.