No, I don't particularly like the action parts of Mass Effect anyway. For me it's all about the storyline, meeting characters and making though decisions.
I like ME1 a lot, but altough it's story is a bit more epic than it's sequel, the way the story is told in part 2 is a lot more engaging and immerse. The dialog is better and also brought better visually by offering more interesting camera movement.
And even though the universe to explore is smaller in part 2, it's also a lot nicer, offering a few hub worlds instead of just one large Citadel and all of the landing points are actually nicely designed levels instead of generic repetitive generated worlds.
All in all ME2 just feels more refined and realistic, while still offering a great story and interesting charactars and dialog. What's not to like?