Nailz has a good point.. there's some merit in lumping your purchases together to save on shipping.
May I also suggest if you buy your happs joysticks/buttons from
the real bob roberts (his site is pretty retro pagemaker '98... but he is a great guy with good prices on stuff... cheaper than happs!)
I say if you decide to stick with the x-arcade FOR THE LOVE of GAWD, gut it and mount the controls yourself on your cabinet. (my assumption here was that you had an x-arcade cp already, upon re-reading I realize that was a false assumption)
1. slopping an x-arcade on top of an otherwise "authentic" arcade cabinet looks asthetically bad, and really ruins the arcadey look... (i.e. the subtle difference between building a wooden entertainment center shelf for a pc and TV with an x-arcade shlopped on top and building an MAME/arcade cabinet)
2. The x-arcade sticks are too close together for normal sized adults to comfortably play say streetfighter II side by side (unless you really like to get close and personal with your pals...)
3. You'll have the satisfactino of still doing most of it yourself and not chezing out on the control panel... (plus you can add in different stuff/change the layout/ do a cool overlay, add a trackball/spinner light up buttons and stuff)
*shrug* what was the question again?
rampy