hey guys , once again i need to consult the experts .. i am geettn foll processors :---------- 1] digitech rp 90 -rs 5k, 2] korg ax5g -----4.7k 3] zoom g2.1u ----7 k 4] korg ax 10g for 7.2 k i am looking mainly for good clear tones and few basic distorted tones . i have a 10 w hartke amp . pls guide me . also is it advisable to go in for a cheap processor initially and then go in for a very good one or start with smthin like zoom g2.1u .which would go a long way ........ also after comparing the features , i found that rp 90 and zoom g2.1u both have same sound effects . but does their quality differ ??????