I guess you have heard about the changes rapidshare are doing around their system. so let me clear it out for you. (this topic contains the latest updates)
For FREE users:
1) No more captchas (no more annoying cats pictures to insert)
2) No more waiting between downloads.
3) Download speed are now approximately 75 kb/s.
4) You can upload files up to 200 mb (and not 100 as it was).
5) The waiting time is not longer than 1 minute.
For PREMIUM users:
1) You can download 50 GB in 5 days.
2) To get rapidshare points, your files must me above 3 MB.
3) You can earn points from free users if the user has not generated more
than 3 RapidPoints in the last hour ( and not 5 as it used to be).
4) You can now earn points from Premium users too! (but only 255 per day)
That's it. I hope this will help you clear your questions.