i dont see why not. Perhaps the board is difficult to get from supplier. You'll need to decide for youself how badly/urgently an apex board.
Do you want the current generation z390 and are you willing to wait 4 weeks, or are you willing to wait another 7-8 months until the next gen arrives. Going for the 2nd option will probably give new features, however it also comes at a cost. CURRENT GENERATION CPU'S (9xxx series) will NOT be compatible with it. Current gen uses socket LGA 1151, z490 will use LGA 1200. So you'll need a 10xxx series cpu too