MediaFire is a new online file uploading and storage service with unlimited file size uploads and downloads. This might very well give good competition to Rapidshare, Megaupload. The question remains how long can they survive providing such great benefits.

Features for Uploaders-

Unlimited File Size
Unlimited Uploads
No Sign Up Required
Multiple Simultaneous Uploads
Easily Email Files After Uploading

Features for downloaders-

Unlimited Bandwidth
Unlimited Downloads
No Waits, Lines, or Queues
Multiple Simultaneous Downloads
Supports Most Download Managers

Rapidshare and Megaupload, two of the most popular file upload/download websites are the total opposites of Mediafire with long wait times, limited bandwidth and no support for Download manager.