Searching in playstore also crashed in my phone. It occurs when you have just set up your Google account and the synchronization is still working in the background.
Solution: let the ROM settle down for a few minutes, and try it again.
Btw, you can change the dpi by editing the /system/build.prop (LCD.density). Or download an app that does the job for you.
And, thanks about the build.prop, I know it (used to enjoy SlimKAT at One X).
Krauten juice - the best medicine for the hangover ever!