Are gpus in stock there?

Yes, great selection.

Yes

Yes, go online or call them....

Most definitely

Yes. For particular models, search the site.

Yes, they have a lot!

Last I saw highest performance cards available was the RX 580 or GTX1060

Not sure, have a website you can look...

I saw a small selection covering most models Wed Feb 28. Prices are still high thanks to bitcoin fever. I agree with Gregory, website will show you stock.

Garmin and TomTom