Both companies could use a presence in the Gaming/consumer products market, and expand their presence IN ASIA. For a Measly 30B, the entire company could be acquired, and that includes about 8B in cash on hand.
Sony Vaio computers run Windows, and Apple hates Microsoft. Nix that one. There could be vendor resentment if Google buys Sony. Goog would then have a hardware manufacturer competing against other hardware makers like Samsung. This could affect widespread adoption of the Android O/S in future platforms.