My personal opinion, Put your OS on your SSD. and the most disk intensive programs. This will speed up your overall system performance a lot. Use HDD as scratchdisk. If you run into problems of Photoshop slowing down because it is reading and writing to the slower scratchdisk, ADD MORE RAM! Photoshop will only use scratchdisk if it runs out of physical memory. I didn't know what a scratchdisk was untill i made an image with over 300 layers...(and i only have 8GB ram).
SSD's seem to die faster with constant reading and writing, and dont like to be defragmented. platterdisks are still a lot cheaper, and extra RAM even cheaper than that. (and RAM is way faster).
60 GB is very small for a windows 7 instalation, but if you put all personal folders, desktop, and less important programs on a partition on another drive, you will probably manage, (untill you have more drive space). Stripping windows from everything you don't need will also help. (and use programs like ccleaner and bleachbit)
If possible I would not use a partition image to move your current installation, but just do a clean install. It's a lot more work, but it will be like your house after a big spring cleaning.
All fresh drivers and latest versions of programs, and no left over residues.
(Keeping a backup image of your current system drive is still a good idea though, I use Clonezilla to clone harddrives and partitions).
(unless of course you have a Z68 board, then I would choose to use a 60 GB SSD, or a big part of it, for Intel Smart Response Technology. you won't get ssd performance, but a big overall performance gain anyway).
I never saw the use of Raid 1. You lose 50% of diskspace, and it's never safer than keeping regular external backups.