So I was testing out various download programs for firefox and I decided to test out IDM vs. Download Helper. The latter seems to be hit and miss with download speeds depending upon the location and internet speed. I ran a test downloading a 700 MB file with both programs using a 5 MB download speed. The results are as follows: IDM = 30 mins Download Helper = 3 hours! I don't know how IDM is faster, but I am very impressed. I cannot wait to test this out on my main computer. Has anybody experienced similar results using the programs?