PS3 gamers have no choice but to not play ME1. But ME2 + motion comic with choices does a good enough job I think. And there are those who think ME 1 is rather an annoyance to play, especially after playing ME2.
So I'd go for a compromise and do motion comic + ME2.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."
Jimi Hendrix