Can I use my Logitech Dual Action analog gamepad with the Freespace games? Also does the X-Box 360 controller work with them? I'm thinking of getting one soon.

search is your friend...
http://www.gog.com/en/forum/freespace_series/freespace_2_how_does_it_play_with_a_360_controller_nt

And reading comprehension is your friend. I was asking primarily about the controller I own which is NOT a 360. Pardon me for doing this crazy thing - asking a question on a gaming forum.

Reading the thread I've linked to would have answered more or less everything you've asked, not only your question about the 360 controller. Let me quote a few things from that thread:

"A joystick and throttle is recommended for the game"

and

"Best gamepad I've played it with is a Logitech Cordless Rumblepad 2.
Mapped direction to left stick, y-axis on right stick is throttle, x-axis is rolls. etc. etc.
Not as good as a joystick, but still much more satisfying than a mouse."

The Logitech Rumblepad 2 is about the same as your Dual Action gamepad, so it should work for you as well. X-Box 360 controller does work with some tinkering, but I doubt it will be better for Freespace 2 than the Logitech gamepad you already own.

Thank you both. I'm planning to get a 360 controller but will be keeping my dual action as well so between those options it sounds like I should be just fine. :-)