2003 Mazda6; 44,000mi 3.0L V6: Raising my 'lowered car'

I just bought this car and it's been lowered on Eibach sport springs. I decided I dont like the ride, I find it too sporty and I'd like to bring it back to stock springs. Can you tell me if this is a pretty straightforward switch or if lowering the car originally modified the car past the point of cost effectiveness for bringing it back up? I dont know what is involved but my concerns are centered around other parts of the suspension that might need replacement b/c they were cut etc.