Is there any flight sims for Mac 3G computers ? Do I have to get the "Tx" or can I use my JR8103-with what interface cable?

Sadly, the is no market for this. It would be much too expensive to produce a MAC version when you consider the limited number of MAC users vs. x86 users.

Use the search engine - there is one. That question comes up every 3-5 weeks and the answer is always the same - one only.

well if you get virtual pc you can run any pc program on a mac

Have you had any luck with getting good performance with this emulatror? what type of HW are you running on?

Best emulator to date is a cheap $300 e-machine computer. None of the PC emulators on mac work very well with high-end graphics type of games. I have set up 6 of these computers for my mac friends and even though they don't like PCs, they like crashing planes even less. All of them have been happy with the decision. It doesn't have to be an e-machine. Just make sure you don't get a Celeron processor and you will be fine. Overstock.com and Ebay are two places to find inexpensive PCs very cheaply.

XPlane

http://www.x-plane.com/

For Mac or PC FAA certified

X-Plane 6.x
Pentium 600+
PowerMac 400+
RAM 256 meg
HD 4 gig
CD-ROM
3-D CARD OpenGL
VRAM 16 meg
Monitor 1024x768+
Joystick/Yoke USB