There are el-cheapo ~US$99.99- India rotors on ebay. They look to be cast and some paint, no chrome. Maybe they are better than the slick chrome, don't know , don't have one.
The racing pads mentioned earlier may be unpredictable until the heat gets up, that's what racing pads used to be like when I used them on another motorbike anyways.
The ferodo platinum pads are very adequate, those I have and I have removed the chrome from my rotor via resurfacing.
Before you do anything about replacing components be absolutely sure your stock system is working as designed. Be sure the pistons in the caliper are both free to do the job. The stock chrome plated steel pistons can corrode and swell outboard of the seals and be real stiff to move. Also be sure the M/C is up to par and all the air is purged from the system. The inboard caliper piston is a bugger to get air out of if there has been some introduced. Look at the position of the bleeder drilling, it enters the inner bore at the bottom, how on earth can this expected to be bled while bolted to the slider, I don't know? As far as the rubber hoses, yes they may be old and should be replaced if so. If the hoses are suspect then get the steel pipes also, they will be corroded inside too.
The babble about M/C piston to caliper ratio has merit. Keeping the stock M/C appearance and having a smaller bore is a challenge I have not yet pursued. But there is no free lunch, a smaller bore means more lever travel for the same displacement. The stock lever may need replaced with one offering a different pivot to piston contact ratio. All in all I don't outdrive my brakes with speed in confined areas. I am a slow poke so my stock setup works for me.
All the best.