I am glad that BHO selected Sonia Sotomayor. I guessed early on that he would do so. I like the idea that a Justice on the SCOTUS should have empathy, intellectual heft and a respect for the Constitution (check out Jeffrey Toobin's analysis of Chief Justice Roberts to learn about a person I see as far from a person BHO would consider for the SCOTUS).
And it will be interesting to see if conservatives will go down the path that someone whose race, ethnicity or gender is a problem (since BHO's pick will not be a conservative, in which case those aforementioned qualities aren't as important, as long as a conservative ideology is held) with regard to being a good judge. I also wonder if they will step into the quagmire of arguing that somehow someone like Sotomayor cannot be the "best qualified," because her demographics "automatically" render her qualifications suspect.
Finally, it will be interesting to see how the GOP and the broader Hispanic community will do this dance. Politically, it will be quite difficult to go after Sotomayor with ideological guns blazing, and being able to reach out with real success to Hispanic communities (unless there is a major revelation that is crippling to her nomination).