Font Comparison

I just finished doing the first screen of an intranet and I have to follow some styleguides of the client. Unfortunately the main font is Arial. It's kinda ok.. but man! It's the third job I'm using it and I freaked out already because I can't use nice, rounded, "funny" and beautiful fonts :(
So I decided to share these thoughts with you (I'm sure you know what I'm trying to say here).

Which one do you prefer and what you think about this limitation?