Originally Posted by sniles

For real privacy and comfort, there's a service where you're pick-ed up at the gate, taken through priority immigration (special lane), assisted with luggage pick-up, and then driven to destination downtown. I believe all-in for around 800. Pricey but luxurious and a great way to beat the lines if arriving at T2 during rush hour. PM me if you need the contact.
Note: Given the above is available, I would still suggest cabbing it.