NoSTalgia is an AtariST emulator with the following capabilities and changes in this latest release (0.7):
Multiple partitions (TOS 1.4 or better).
New IKBD code preventing data overrun in the emulated code.
New hard disk driver (Ver 0.4)
Bugs fixed in the pending interruptions routines.
Fixed internal debugger.
Run MagiC 6 and NAES 2.0 (with some limitations).