Will my 02's 19" wheels fit my 06?

They should physically fit but the offset may make them stick out of the fenders a bit and look wierd. If you don't know the back spacing or the offset of the wheel, just measure from the mounting point on the back of the wheel and compare it to your current wheel and subtract the difference. That should tell you how much difference there will be and give you an idea of how they will sit.

Which might not be too bad, sticking out that is. The few that have had them stick out far are on 10'' rims so maybe 9.5'' won't be too bad...

As far as tires, well seeing you are from RI do you store during winter? Need an all season tire or just straight up performance?