UPDATE: 2015 FORD Mustang detailed PRICING out! (in US $)

 
Pricing on the 2015 Mustang by engine and package type: (US dollars)

Mustang V6 Fastback (050A package): $24,425
Mustang V6 Fastback (051A package): $25,420

Mustang EcoBoost (4 cylinder turbo) Fastback (100A package): $25,995
Mustang EcoBoost (4 cylinder turbo) Fastback (200A package): $29,995
Mustang EcoBoost (4 cylinder turbo) Fastback (201A package): $31,790

Mustang GT Fastback (300A package): $32,925
Mustang GT Premium Fastback (400A package): $36,100
Mustang GT Premium Fastback (401A package): $38,720
Mustang GT 50 Year Limited Edition (500A package): $46,995

Here is the link for the detailed package contents (ex. 100A package). It includes all mechanical, exterior, interior, safety&security, and functional features: http://www.scribd.com/doc/225310425/2015-Ford-Mustang-Order-Guide-released-to-dealers-5-20-2014

As well GallopingPony posted pricing for some of the options available.

• Floor Mats: $85 retail
• GT Performance PKG: $2,495 retail
• Navigation: $795 retail
• Recaros Leather: $1595 retail
• Enhanced Security Package: $395
• 6-Speed Automatic Transmission: $1195
• 3.55 Diff: $395
• Spare Wheel/Tire: $195
• Reverse Park Assist: $295
• Floor Mats: $95
• Recaros: $1595
• Wheel Stripe Package (EcoBoost): $895
• 18" Painted Aluminum Wheels (641): $155
• EcoBoost Performance Package (67E): $1995
• Adaptive Cruise Control (52S): $1195
• 20" Machined Aluminum Wheels: $1295
• Premium Trim Package: $295
• Navigation: $795
• 50^th Anniversary Package: $1595
• 19" Wheels $995: (GT)
• GT Performance Package: $2495
• Destination and delivery: $825

Original article found on Road&Track.com link: http://www.roadandtrack.com/go/news/2015-ford-mustang-ecoboost-and-gt-pricing-revealed-along-with-official-order-guide

No pricing as of yet on the 2015 Ford Mustang Convertible.