In 2010 Capcom released Final Fight Double Impact. This collection not only includes Final Fight, but also Magic Sword, another Capcom arcade game which was originally released in 1990. The main feature of this release is that the games feature online play -a first for a Final Fight game. The online netcode is also of a good standard, thanks to it using GGPO.
This version has some additional settings not seen in any previous version. You can alter the screen's layout so it looks like you are actually playing on an arcade machine, for example .Throughout the game there are various challenges to complete, beating them will result in extras being unlocked in the game's vault. The extras vary from things such as concept art, previews from some of the Udon comic books and even "Final Fight", the episode from the Street Fighter cartoon.
When the Playstation 3 version was released, many were surprised when they learnt that the game had very restrictive Digital Rights Management protection, which prevented the game from being shared onto different Playstation 3 consoles. But far worse than that was the fact that the game requires an Internet connection to play -you cannot play this game offline. This came under fire in 2011, due to the Playstation Network outage. This issue was never fixed, so if you intend to buy Double Impact, go for the Xbox 360 version -it lets you play it offline.