As the defending team, Pakistan has to be more responsible in the battle of T20 worldcup 2010. Shahid Afridi, Abdul Razzaq, Akmal brothers, M. Sami, M. Amir and Saeed Ajmal are capable enough to defeat any team but Pakistani squad could've been stronger if the selecters have considered some more T20 specialists.
In the absence of Yousuf, Younis, Rana naveed and shoaib Malik, Pakistani team needs some strong support from the young. Here, hard-hitters like Shahzaib Hassan and Imran Nazir have been badly ignored. Both of them have been excellent in domestic and international T20. We all have witnessed Imran Nazir's magic in domestic RBS tournament and Indian Cricket League. On the other hand, Shahzaib Hassan has proved himself as a stylish and powerful batsman in Last T20 worldcup and RBS tournament.
All in all, they're way better options than Yasir Arafat, Fawad Alam, Mohammad Hafeez and Salman Butt. Fawad and Arafat have not yet performed in T20 format that makes Nazir's and Shahzaib's selection undeniable.
Anyway, goodluck to the team.