Spectrum offers a "Gigabit" package, but it's asymmetric 940/35. Full Duplex DOCSIS via DOCSIS 4.0 is coming (https://stopthecap.com/2019/06/25/cables-docsis-4-0-symmetri...), and it looks like Comcast is demo'ing it in a lab (https://www.lightreading.com/cable-tech/10g/comcast-full-dup...), but who knows how much longer it'll take to get it fully up to speed.