Stock, besides Corsa Catback, 96 Z28 daily driver. With the addition of bolt-ons seen in my signature, how much of a difference in "feel" will I get?

 

Those are good first upgrades and the stall converter will probably make the most noticeable difference. Headers and intake will compliment eachother and gain you a few ponies. Another good one to consider would be 1.6 roller rockers (and valve springs) for a number of reasons.

 

change RE gear ratio.