In article , scholzen@iet.mavt.ethz.ch says...

>Can onyone suggest me good high-speed films
>(ASA 800 or ASA 1600) for color prints (35 mm) ?

Both Fuji 800G and Kodak Ektapress 1600 (both rated at
800 and processed normally) work well for me.

>Is the grain size noticeable in 18 x 13 cm prints ?

Yes, but it is not bad.
Hope This Helps