I'm getting this, as shown in the Audio Heaven sale thread:

AstroLock® VSS-204-TW
2-Way Security System with Starter Kill

REGULAR PRICE $449
SALE PRICE From $299 INSTALLED



KEY FEATURES

6-channel 2-way security/keyless entry systemConfirms commands and system triggers on the transceiver LCD screenDRTTM Technology (Directed Response Technology)18 Quintillion Rolling Code Technology protecting against code grabbersOn-board Door Lock RelaysParking Light Flash On-board Starter Kill Protection relayRemote Adjustable On-Board Dual Stage Impact Sensor128dB Six-Tone Siren with Neodymium TechnologyBright Blue LED System Status IndicatorDome Light Supervision - On-board RelayRetained Accessory PowerComfort Closure5 Auxiliary Outputs for additional remote control functionsHorn HonkIncludes One 2-way DRTTM Technology Transceiver and One 3-button 1-way transmitter



Anything I should mention / tell them / pay extra to add on / request?

 

My old alarm (Clifford) had the ability to raise and lower the windows from the remote while still leaving the alarm active.

Good for car shows and very hot days.