Amazon currently have the SEGA Mega Drive Mini for $79.95 with free delivery. This is almost half the price from the RRP of $139.95. You can grab it right HERE.
Amazon also has a bunch of other games on sale which you can find HERE
The SEGA Mega Drive Mini connects to your TV via HDMI cable, comes with two controllers and has 42 games including:
Thanks, OzBargain.