Since you seem to be on the slippery slope, I'd suggest investing in the Tarett end links now rather than install replacement OEM's only to replace them again later with the Tarett links when you go to PSS9's.
Same thing for the sway bars - you might as well go with the GT-3 adjustable front bar and the Tarett rear bar because you'll want those anyway when you install the PSS9's.
And as long as I'm spending your money
, might as well start saving for the GT-3 lower adjustable control arms too because they will save you a fortune in tires by allowing the big camber that those NT-01's are craving.
I'll also get on my soap box and remind folks to remember to upgrade your safety equipment as you upgrade the car and as your skills improve. In regards to safety, EXCEED the minimum requirements!