For me at least the original Xbox was a damn fine system; I must've spent hundreds of hours on Star Wars Battlefront with mates, Halo 1 & 2 are all time classics, and others like Panzer Dragoon Orta and Burnout 3/Revenge are top notch as well. It's also by far the more reliable hardware; my old one my parents bought for my brother and I when we were teenagers still works just fine today after extensive use.
Like most here however, I gotta go with 360, mostly for having more great games and a more comfortable controller. It's still my #3 top gaming system of all time.
Bet with Liquidlaser: I say PS5 and Xbox Series X will sell more than 56 million combined by the end of 2023.