I think that is excellent for consumer gear. Best I've gotten consistently is 125Mb/s on some pretty nice Aruba gear. Most of the time it is less- and in the 85-110Mb/s range if conditions are pretty ...

I have two sites connected via an IPsec VPN tunnel over cable internet connections. Site A had 100/7 available for bandwidth. Site B had 150/25 available bandwidth. An iperf site A --> site B ...