Glock:
Pros: durable, accessory rail, lighter might be easier to carry, Glock customer service, less metal that can rust, 15+1 capacity, decent after market, alot of holsters
Cons: Big grip, lighter weight might not dampen the recoil as well, DAO trigger isnt as good, no adjustable sights, bad ergonomics(in my opinion)
EAA Match:
Pros: Accurate, match grade barrel, adjustable sights, smaller grip, better ergonomics(IMO), 15+1 capacity, awesome SAO trigger, over travel pins, good after market parts, caliber conversions, solid design, heavier weight might dampen recoil better
Cons: Shoddy customer service, better chance of getting a lemon, no rail, heavier weight might be harder to carry, availability of magazines, brass hard to find because they are sent into orbit(ive had them go close to 40ft away), few holster options
I came up with these off the top of my head. There are some im forgetting im sure. I voted for the Witness because ive owned 2 Glocks and will never own one again.