This bug was originally marked as duplicate of bug 183609, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE 7.0 M2 (Build 201010151251)
VM: Java HotSpot(TM) 64-Bit Server VM, 14.1-b02, Java(TM) SE Runtime Environment, 1.6.0_15-b03
OS: Windows 7
wojtek.ww: I changed the font in options menu
Maximum slowness yet reported was 8984 ms, average is 8984
Created attachment 102509 [details]
Can you store settings outside of AWT thread?
I will have a look.