You must update to v0.8.7.3 BEFORE block 60,000.
v8.7.3 is now available via github or download links for Windows compiled. particled daemon for Windows now include too if you want to use.
Revised reward algorythm is detail in 1st post, with revise it will take almost 10 years for mining complete, but still include superblock reward to encourage the miner.
DOWNLOADS
Windows Client 0.8.7.3:
Mega: particle-qt-8.7.3 for windows
Mirror:
http://www.4shared.com/zip/1g__g9qrce/particle-qt-873.html
PRT Mac OS X wallet (compiled by maxpower)
(link removed until 0.8.7.3 available)
Source Code:
https://github.com/moonmooncoin/particle
Thank you!