another workaround hagios is to build enough scouts/fodder to hit 5k and then take a peek and drop back. I have played a collective at 4999 before, and I just build one fodder to get my look and then dump it.
You can work in multiple tabs in your browser to preserve your peek and be up for only 5 seconds, usually not enough time for someone to notice and attack.
Then carefully plan your surprise in the safety of newbie protection, build the appropriate fleet, and there you have it.