If you're pushing close to $1,000 you can get a solid all-rounder with the Thermaltake LCGS View i460T V2 with RTX 4060 Ti for $1,000 at Best Buy (save $300), or if you want something super-cheap ...
No M4 MacBook Air but the M2 and M3 models get "free memory upgrade". The MacBook Air 13" and 15" M3 with more memory are at least RM200 cheaper in Malaysia.