I used VIP Select this past weekend and was a good experience.
- Called VIP Select Line, waited a few minutes on hold and had to give some info as first timer. Since it was around 24 hours until flight they said the confirmation will probably come as I'm sleeping so just keep out when I wake up. Request Email received shortly after the call.
- 2AM got confirmation that it's good to go and to respond with any car service, if any info changes on contact or checked bags and passport if needed.
- 6AM got text from my Delta contact confirming what time I'd be arriving and offering T2 as pickup as it's much quieter in the Skyclub and Security today then T4 and she'd drive me over after. Since I prepaid T4 Parking she picked me up there regardless.
- We arrived, she took my Non-precheck passenger and got her through security faster then me with CLEAR + Precheck. We then were carted to the Skyclub and asked if we'd like to board first or last, opted for first. Also cool she checks us in so we can just go sit and eat/drink. Flight got delayed and she texted us with updates not on the delay time but what was actually going on (Cleaning / Loading catering / finalizing). She then picked us up on another cart and took us to the gate and pre-boarded us.
I'm doing it again this weekend and requested Austin even though it's not a listed supported airport since you can always request, just at non-listed locations it's a 50/50. This time as a repeat I was able to put my request in with just a quick phone call and confirmation number as they have my CC and info on file now. It is a seperate system then Delta's so they really don't know who you are until you give them info, nor can they pull anything from your Delta profile over (IE: Saved CC's or passengers). Also it doesn't count towards MQD's but does list in your Delta profile as "Additional Trip Expenditure".
As someone who likes to show up maybe 10-15 before boarding starts, it's a nice feature to guarantee I make it.