I don't digitize but I do slice and dice some designs and make new ones with them. I like being able to change the thread colors as well as thread brands. I use Embird and have kept up to date with all their updates and upgrades. I also have their Iconiziser which allows me to search thru my designs without having to open up the program. This also helps me to search thru my quilting pattern designs too. I can also convert my designs to another format which is helpful as I used to have a Babylock and Viking machine.
Also I found out that I can convert my quilting pattern designs to another format to use in a program called ProQDesigner that does not see IQ format but will convert to a format the IQ can use so I don't have to take all my numerous designs somewhere to have them converted to use in the IQ. This was just recently that I found this out.