Best way to play Nintendo DS games? [DSi XL vs DS Lite vs 3DS XL - screen comparison]

Decided to do a comparison of the screens between these three devices. I have seen a lot of questions on-line about which of the options is best to play DS games. -- STOREFRONT LINKS: Links to my amazon store, where I post cool tech I use and that I like. You can support me by buying through the store link, with additional cost to you! Even products no on my page! --