ZX32 v1.03 (1.37M)
One of the best Freeware Emulators going. Full of useful features, Has full screen and windowed modes, runs 48k and 128k games, recogineses all file formats and even runs games while they're still zipped. My only quible with this emulator is that it hasn't got the bright colours quite right.

ZX32 v1.02 (295k)
This is an erlier version for slower connections, it's much smaller and there's not much diference to the later version.