Don't, dude. Never use cross-platform software unless absolutely necessary.
Here's a guide to the preference you should give to applications on Mac OS X (#1 being the best and so on...):
1. Paid, closed source, universal, native Cocoa applications exclusive to Mac OS X;
2. Free, closed source, universal, native Cocoa applications exclusive to Mac OS X;
3. Open source, universal, native Cocoa applications exclusive to Mac OS X;
4. Paid, closed source, Carbon applications exclusive to Mac OS X;
5. Free, closed source, Carbon applications exclusive to Mac OS X;
6. Open source, Carbon applications exclusive to Mac OS X;
7. Open source, cross platform applications; and
99. JAVA applications, free or paid. (Never ever use them.)