Dreamsubmitter has no limitations to the functionality of the program even when yoiu take advantage of the free 1 month promo!
Dreamsubmitter is the best submit software on the market bar none, no other submit software on the market can offer you even close to the functionality.
No other software on the market will support users as well as dreamsubmitter. Step by step video tutorials, and one on one walkthroughs make dreamsubmitter head and shoulders above the rest in this department.
The choice is clear, check these threads for reference and to learn more:
http://www.gofuckyourself.com/showthread.php?t=548129
http://www.gofuckyourself.com/showthread.php?t=612118
http://www.gofuckyourself.com/showthread.php?t=587783
Hope this helps...