If people are really looking for somewhere to host some of their services I may be able to help. I've emailed Thomas asking if he wants to colocate a server with us and if others are interested then let me know. We have recently deployed roundcube ourselves so to give something back to the community we are offering bandwidth/hosting to for Roundcube to Thomas. If others would like to host with us also then please let me know. We have no shortage of space or bandwidth so it wouldn't be a problem.
(details on website below for those interested)
Thanks, Gavin