On a side note, just noticed B&H also has listed Asus B650 boards and here are their pricing
Asus ROG ROG STRIX Z790-H GAMING WIFI Strix Z790-H GAMING WIFI Gaming Desktop Motherboard – Dihuni – GPU Server for AI, Data Center & IoT Hardware & Software Solutions
MSI PRO Z790-P Wi-Fi DDR5 LGA 1700 SATA 6Gb/s ATX Motherboard PROZ790PWIFI
Review: ASUS PRIME Z790-P WIFI LGA1700 Motherboard
Asus ROG Strix Z790-E Gaming Wifi review: This motherboard packs a punch
Asus ROG Maximus Z790 Dark Hero Motherboard Review: Dark Knight Rises for 14th Gen
Z790 motherboard guide: Reign supreme with ROG, ROG Strix, TUF Gaming and Prime - Edge Up
Asus ROG Maximus Z790 Hero
Intel Z790 motherboards are now listed in Germany, prices from €309 to €1399
Z790 motherboard guide: Reign supreme with ROG, ROG Strix, TUF Gaming and Prime - Edge Up