i read your post and i feel... your bo should stop at the 2nd queen. basically i play reactionary passive zerg. u can skip 20 lings for defense if u see the opponent wants to go into a macro game. u might want an earlier gas too.. but its all very situational and map dependent. but the main gist of your BO is about right.
i want to enforce what HDphoenix has already said. the main things zergs need to learn is when to drone and when to produce attacking units, thats why queen management and creep spread is more impt than having a perfect build order. with proper fundamentals, any BO u do will be played out with 100% efficiency and will most probably work =p. the biggest problem with going the standard muta/ling/bling is the 7 min window. and thats when your fundamentals will be put to the test. your ability to get information on what your opponent is doing and be prepared for it. if your creep spread is horrible... your engagement will be closer to your expo and it leaves alot less room for any mistakes etc. so focus on your ABCs!!
for a player starting out, i always believe in overreacting to your opponent. knowing the proper response firstly, and then going a little bit overboard with it. u will need the extra reserve as a player starting out like you will most probably make a few mistakes here and there. when u realise, ok i can handle it with X amount of spines, then u can adjust according to your gameplay. there is no right answer in SC2(many things works against different builds), but there are many wrong answers(ie building roaches against void rays...). u just need to avoid the wrong answers and u will most probably be safe. i started out building 4 spine crawlers to hold off 4 gate rushes, but nowadays im down to 2. and i can say its because of my macro fundamentals that have improved.
so keep fighting fellow cerebrate! =D... if u need any help, just PM me or something. though im not very active =X
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