Try updating from scratch and add
a2sd , but that only works if done first after fleshing FW.
Thereafter add
Launcher Pro, install a
new boot logo and you'll find you have a complete new device
If you run a FW older than 2.0.5,
this fake Android Version patch does the same trick than the "non Ugly Market Install", but in the newer FWs I found the integrated Titanium Backup causes some unstability
In this combination you'll get even "Angry Birds Rio" running on your IQ, although it's a little bit slow
Installing Aldiko 2.0 will make it possible to read DRM books on your IQ, even if PB seems to be unable to get it working
Just read your post again, have you set the date to yesterday after getting the parsing error?
Here is the how to install the patch, just in case...