LI
It's basically a HD friendly version of the original exterior of the TARDIS... but at least it'll give people reason as to why the windows smashed during the regeneration.
Even though technically those windows are merely part of the TARDIS' chameleon illusion, and therefore shouldn't be smashable... but there you go, wibbily wobbily.
Even though technically those windows are merely part of the TARDIS' chameleon illusion, and therefore shouldn't be smashable... but there you go, wibbily wobbily.