DF Retro: Revisiting E3 2004 - PlayStation Portable vs Nintendo DS • Eurogamer.net
Analysis: Portable Title Bout, PlayStation Portable vs. Nintendo DS - The Salt Lake Tribune
DS Lite vs. PSP: who has the best picture quality? | Engadget
Nintendo 3DS VS PS Vita
DS versus PSP: the battle for the best LCD | Engadget
PSP vs. Nintendo DS – Closest Race Since SNES vs. Genesis
Question Of The Week Responses: Nintendo's DS vs. Sony's PSP
Hand to hand combat: Nintendo 3DS vs PlayStation Vita
DS vs. PSP – GamerSushi
How New iPod Could (and Couldn't) Kill Nintendo DS & Sony PSP
Sony PSP vs. Nintendo DS - IGN
N-Gage, Sony PSP, Nintendo DS. What Do We Really Think?
Nintendo DS vs. The Sony PSP - InfiniGEEK
Sony PSP Vs Nintendo DS - Review - YouTube
Cheat Code Central: DS vs. PSP
Nintendo DS vs. The Sony PSP - InfiniGEEK
DS vs PSP Wirelessly - Infendo: Nintendo News, Review, Blog, and Podcast
Why the PSP is blatantly better than the DS – Destructoid
NDS v.s. PSP v.s. iPhone - ModMyForums
Gamasutra - Exclusive: Sony PSP Versus Nintendo DS - The Sales Showdown
Screenshot comparison - 3DS vs. DS, 3DS vs. PSP - Nintendo Everything
Apple slams PSP, DS at iPhone/iPod conference - GameSpot
PSP-DS | Super portable video game machine from Nintendo-Son… | Flickr
Sony PSP vs. Nintendo DS - IGN
You Decide: Sony PSP or Nintendo 3DS? | HowStuffWorks
