The Swift are an absolute upgrade compared to the stock Nismo springs and are absolutely worthy. If you do get the springs, I would recommend you to also plan the purchase of SPC camber kit just to make sure that you can bring your car within specs during alignment.
I actually have a buddy selling his brand new Tein Springs for $160, here is the link to the thread
Tein For Sale 
I had to entice you like that. No worries man, you'll get your fancy ride soon enough 
