I did some comparisons today.
Here's some specs:
Running Chassis Weight
(Chassis, Motor, Transfer Gear, Rear Axle, Tires, and Hubcaps on Zip Zaps SE Chassis)
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LXX-Char-G: 17g
MicroSizer Pro: 18g
"Cannonball Mini R/C" (Crappy knock-off of a Bit Char-G): 18g
ZipZaps SE: 26g
(for Giggles) Stretched Microsizer with 2 batteries: 21g
Body shells:
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Microsizers Mitsubishi Evo (Clear shell, custom painted): 4g
Microsizers Honda S2000 (Factory painted): 4g
Microsizers Honda S2000 (Clear): 4g
LXX-Char-G Nissan Skyline R34 (Factory Painted): 5g
ZipZaps Stock Mustang Cobra (Factory Painted): 5g
ZipZaps F&F 2nd Gen Eclipse (Factory Painted): 5g
LXX-Char-G Mazda 3rd Gen RX7 (Clear): 6g
Cannonball Mini-RC McLaren F1 (Factory Painted): 6g
ZipZaps F&F 3rd Gen RX7 (Factory Painted): 6g
ZipZaps SE 2nd Gen RX7 (Factory Painted): 8g
Motors:
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I tested the ZipZaps SE with the Perfection King 4.2 Pro motor, and it seems pretty peppy. To test, I put the Perfection King 4.2 (non-pro) in my LXX and ran them side by side. The LXX had an inferior motor inside, but top speed between the two was almost identical. Accelleration-wise, the ZZSE was lagging badly. Considering the fact that the motor I put in the ZZSE is MADE for accelleration, and the non-pro motor in the LXX blew it away, I'd say for things requiring good acceleration, the ZZSE is at a severe handicap. However, I retract my previous statement that the ZipZaps SE may not work with the faster motors. Not only does it work, it works VERY WELL with the faster motors. If it came down to brass tacks, a Microsizers Pro with the 4.2 Pro motor would easily beat the ZZ SE with the same, as far as top speed and acceleration are concerned.
Handling:
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The ZipZaps SE abandons the Micro R/C indistry standard of adjustable "suspension bars", replacing them with non-adjustable metal coil springs. Overall, the ZZ SE has awesome handling that's marginally superior to the Bit Char-G related cars (all micro R/C's with a shorter wheelbase and smaller front wheels). I'd say the spring suspension helps a little, but I attribute the superior handling more to the digital proportional steering and speed. The longer wheelbase helps, as well; for one thing the ZipZaps have always been more stable and less prone to rollover while cornering at high speeds.
There you have it.