Gold on Emirates and on Gulf Air. Emirates has now transferred DXB lounge privileges to the general DAA lounge (meaning the one that Saudia and Qatar uses) until their new gold/silver lounge is operational "later this year".
By comparison, Gulf Air allows me to use their first class lounge in Bahrain.
Upgrades? Never, ever on intra gulf flights, but once on a flight from UK to DXB.