never never never sell a a4000 that is that beefed up, you will regret it BIG time!! i tell you this machine will be able to run aos4.0, when it get available for the classic amiga..
for godsake sell that A1000 and A500 you dont need does, dust collectors...
keep the a4000 and the a1200(this replace you a1000 and a500 easy)...
this is my advice to you...
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Hemp