Glad your reader is back...
If not alread done download
http://prs-plus.googlecode.com/files....1.01alpha.zip
Extract it to a folder on your PC
Extract PRSP_600_base_flasher_1.0_by_amutin.zip to another folder
turn off UAC and run "runme.bat" in the "PRSP_600_base_flasher" folder (extracted in the step before) with reader conected to USB. - This step has only to be performed once!
To be on the safe side, shutdown and restart your reader.
Connect to USB and copy the whole folder "PRSPInstaller" onto the internal drive.
Shutdown and restart again.
PRS+ 2.1.01a will be installed on restart.
All further update are done only by copying "PRSPInstaller" and restarting.
To check PRS+ version go to settings - about.
Good luck and have fun with PRS+