i use notebook "sony vaio" plus some virtuals. i love especially: steinberg hypersonic 2/ huge sounds-about 2000, not too much ram used, very good for makin' aprox. all kinds of music!/. i use pianissimo - it's a virtual grand piano - few pianos, not so huge as NI corporation but... sounds very nice and good! i use some other virtuals, some even free and very nice.. i love edirol orchestral - cool really! very good sounds! but..one problem: i use maya 44usb soundcard. sounds very cool in headphones, but problems are if i connect notbook for amplifier. i have a lot of noise, i haven't it trough a normal pc or if i de-connect power and use only battery in my notebook. i have heard that's a lot of mobile-computers have that problem. please to help me! to buy a di-box/ make special power suppler or..?