Just following up on this if anyone's interested!

Switched over to Spark no issues. They have this random dedicated email address that responded really quickly to any questions and were really easy to deal with.

Our ETP was inaccessible due to a renovated deck, so Chorus tech just put a master filter where the line surfaced and ran cat6 to a new jackpoint. My only annoyance would be the jackpoint - it's unnecessarily bulky. The sync speeds aren't *blazing* fast, but a big improvement.

All done! Current Sync stats

stats

Speedtest:

Bulky Jackpoint: