There's a new Cancer Centre that just opened up in Calgary:
https://globalnews.ca/news/10816070/calgary-arthur-child-cancer-centre-opening/
I hope that cuts wait times by sharing the load with the Tom Baker Cancer Centre (assuming that keeps operating, too; I don't know a lot about healthcare in Alberta.)

Here in Ontario, I had my biopsy the day after my MRI in 2021 (and the results 3 business days later), but I was also a high-priority patient because I was rapidly becoming paralyzed as the metastasised tumour compressed my spine: I walked into hospital with a cane on Monday and was completely paraplegic by Friday. In one sense, it's good *not* to be one of those high-priority patients, though I know the wait is frustrating and stressful, especially over the holidays.

Personally, I wouldn't pay for a PSMA PET scan now; better to get the biopsy first, and then Alberta Health Care should cover the scan (if needed). Your mileage may vary.