I think that Edge Cycle Sports in Laguna Woods (Moulton & Ridge Route) is by far the best shop but they don't carry those brands. They mostly sell Cervelo, Felt, Seven, and similar.
If it must be those brands, try Jax on Culver in Irvine. I bought my Specialized and my wife's Trek there.
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Fredo, you're my older brother and I love you...but don't ever take sides, with anyone, against the family again...ever.