What do you consider to be over priced?
What performance do you require from it?
The Well R4 and Well / JG / TM Mac-10/11 are in the ballpark size wise, but have tiny AEP gearboxen. The claims of 300fps / 0.83J for the Mac-10s are... optimistic, even with the relatively long barrel. Chrono videos have them coming in closer to 250-260fps and under 0.6J, which is more realistic. The R4 is lucky to see 220fps / 0.4J. The problem with the R4 / Macs is the small capacity, low power AEP sized nimh battery that gives poor trigger response and ROF. You'd want to rewire them for lipo. The JG Mac come with a whopping 400+ round hi-cap magazine, the Well with a real cap 32, and good luck finding mid caps.
Which brings us back to the MP5K. TM or JG, the Galaxies are out of stock everywhere. Loooong trigger pull and a slow response, but you'll see 280-315fps / 0.72J - 0.9J+ depending on brand and luck - it's a full size V3 gearbox. 7.4V lipos fit into the battery tube, and rewiring to Deans helps with the performance. Cheap mags are readily available in real, mid or high cap or even drums for a giggle.
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