No, Trophies weren't use until late 2008.
Yes. Metal Gear Solid: RISING will be on both the PS3 and the XBOX 360
No. Metal Gear Solid 4 is only for PS3.
no, Metal Gear Solid 4 is for PS3 only.
There are 5 acts in Metal Gear Solid 4.
Yeah. There is Metal Gear Solid 4: Guns of the Patriots. And soon in 2011 Metal Gear Solid: Rising (staring Raiden).
No, and there likely won't ever be, despite it being the best game on ps3
Yes.
Very unlikely, but on PS3, there's a lot more fun Metal Gear Solid series;better than Metal Gear Solid:Peace Walker.
I am unsure but there is a definite Metal Gear Solid Rising I will have to look into it for you. Hope this has helped :)
Metal Gear Solid 4
Yes the reason they came out with the PS3 was for better games so of course the PS3 game titles will be better for Metal Gear Solid on the PS3 than on the PS2
All ps1 games are playable on ps3, so Metal Gear Solid 1 is backwards compatible, but only backwards compatible systems can play the second and third game on ps3.