Yeah the hardware is being made ready for that actually.
The current problem with *uploading* are being investigated, they do not appear to be related to stress at all but in some server-side handling. How it suddenly out of the blue started happening is not entirely clear... Yet.

As for the current high loads, the servers are a bit pissed off because I gave them 300.000 emails to send out at once...
It will clear up within the next few hours judging by the progress.

Sorry for any inconvenience.