Puran vs PD........
1. PD while defraggin in real time takes around 33K of commit charge in XP........while Puran take 44K of memory in Vista.
2. Puran doesnt constantly run in the back ground.
3. Puran fails to defrag page file on boot time.
4. Drive map & statistics of PD is great........boot, rarely, page file, MFT, recently, modified files, directory........excluded.
Dont know whether to say that Puran is better........since tried it only for a day........but I have doubts..........just my thoughts.