Wow...not reading very well these days...
Doubling up on servo's will only compound your power supply quality problem.
Why did he say 2 parallel 7805's? If you'd re-read post #39, you'll see why.
And while you're at it, you might want to actually READ all of the advice given to you up to this point. Lots of advice being given repeatedly...seems like not a lot of it taken.