OK, because some people number these things differently, it might be great if you went the extra mile and noted which pick is 1a. Some people call it 1 (#6 overall) and 1a (#18 overall), and some people use it to say 1a (#6 overall) and 1b (#18 overall). So just for clarity maybe add at the beginning that you're asking about #6 ... assuming that you are.
Personally, I'm on the Ja'Marr Chase train at #6. Probably available, BPA, fits a need, builds around our young QB, gives us a cornerstone offensive player, high ceiling and high floor guy, durable, young with sky high potential so fits the Grier profile, and really seems like a can't-miss prospect. Also seems like a smooth, natural athlete with dynamite hands and good RAC so he fits our offense to a T. Kinda like a more athletic Jarvis Landry with speed and no attitude problems. To me, his game reminds me of Jerry Rice--kinda gliding past guys in pads despite pedestrian 40 times, vice grip hands, exceptional RAC and an open-field devestator who has decent separation but phenomenal ability to win the 50/50 balls. Scheme him open and he's unstoppable. Clutch when you need a 1st down. Dependable to always win his 1v1's no matter what CB is put on him. Commands a double team and a good throw still beats the double team every time because he always makes the catch. Understands the down markers and situation within the game. Elusive, fast, strong, reliable, and he has durability unlike practically every other WR on our team. He's not skinny and brittle so he's not going to miss large stretches of games from injury. Really just an ideal prospect at #6.