The Spectrum allways had quite a few emulators, because of his simple construction. MacOSX has a conversion of the Free Unix Spectrum Emulator, Fuse.

Fuse

There is a new spectrum emulator, ZXSP, looks quite tasty


screenshot1s

For your dashboard, there is one too. Ideal for a quick game, e.g. of Cracker, the Eurogamer christmas gift i mentioned, you can find the widget here


jetset


There is a great new way to play old speccy games on your Mac. MySpeccy adds an online dimension, with global leaderboards and stuff. It is almost Xbox live. It works with Java emulation, but really speedy.

myspeccy.org

My profile page: Romanista

The predecessor of the Spectrum, the ZX81 can be emulated using Mess

For those of you with a DS, and a flashcard, don't for get the great SpeccyDS