We're flying IAH-FRA on Saturday on XN tickets. With GS, I applied GPUs both outbound and return. Return all cleared about 3 days after booking, six weeks ago.

I've been watching the fare buckets for the outbound. I happened to see PN1 yesterday so called immediately and got it (we're on three separate PNRs). GS agent was surprised it didn't process automatically, we're the only three on GPUs.

As of this morning (T-30), there are two BF seats (J2 JN2) only. There was ZN2 yesterday but that's gone now. I'll keep watching until OLCI to see if anything moves to PN.

My question is whether I should buy the upgrades (will they be offered at OLCI)? Can I then get my GPUs applied and the cash refunded? The GPUs expire in January so I want to use them now rather than cash.

Any other tips to try to get those last two seats before T-24?

Thanks.