The best replacement for pvs is coma.

The best alternatives to pvs are rated as following:
★★★★★  coma
★★★★  mcs
★★  brain dead

Your alternative for pvs is not listed? Suggest!
Speaking about pvs, one probably shouldn't forget about personal vdisk.

Other search terms related to pvs and their ratings are:
★★★★★ personal vdisk
★★ xendesktop
★★ xenapp
You have in mind a companion for pvs and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pvs in all years. Click on graph for more.
pvs
coma
mcs