We have been notified by Parallels that the UC system agreement with Parallels has ended due to lack of volume. The UC system no longer gets any special pricing from Parallels. The cost savings at the end was only about $3 per copy compared to getting Parallels via the UCSD bookstore. Parallels via that channel comes on a USB thumb drive.
Any maintenance already in place as of 12/17/2010 will hopefully be fulfilled through the period of the existing licenses. As of 12/17/2010 there is no likely future Parallels volume licensing agreement.
There are many existing excellent low cost or free options for UCSD that include: