Been using the Uber Plush Towels for years, 1 towel will dry a car streak free with ease.
http://www.i4detailing.co.uk/acatalo...g_Towel_1.html

For maintenance cleans I spritz some Reload onto the panel whilst it is still wet and it acts as an excellent drying aid whilst laying down some decent protection.
http://www.i4detailing.co.uk/acatalo..._Reload_9.html