12 segments to date -
3 ERJ's
9 possible upgrade situations
upgraded 9/9 (100%), 6 as Gold, 3 as Silver, all before boarding.

Upgraded Gold Segments:

CLE-IAH
IAH-SEA
SEA-IAH
IAH-CLE
EWR-TPA
TPA-EWR

Upgraded Silver:

CLE-RSW
RSW-CLE
CLE-PHL

My perfect track record will die this week, as I have 4 segments thru IAH as Silver.