The VSOP Remy Martin is a classic and the cognac houses bestseller. The cognac consists of up to 100 different eaux-de-vies, and the age of the spirits is between 4 and 15 years. A Fine Champagne blend, which means that the distilled wine comes from the terroir of Grande Champagne and Petite Champagne - the two best crus of the Charente cognac area. 

TASTING NOTES: The colour of this cognac is golden pale, on the nose: Vanilla, roses - some soft fruits and an idea of almond. The palate more smooth, balanced and auite round for a VSOP. The finish lasts for some minutes.  source: cognac-expert.com

The Hennessy XO is a blend of more than a hundred different eaux-de-vie. Those eaux-de-vie are between 10 to 70 years old. This XO used to be a Reserve de Famille, exclusively available to the Hennessy family, later on it found its way onto international markets.

Tasting notes of Hennessy XO
The color: deep ocherOn the nose: ripe fruit, a hint of spices, mellow wood tones and a nice alcoholic green note
The taste: soft fruit, toasted wood, balanced, elegant and robust, some cinnamon
The finish: intense taste, remains pretty long
The age: The average age of the eaux-de-vie is 45 years

source: cognac-expert.com

Martell VS (Very Special) cognac was created around 150 years ago under the nameof 3 stars (***) and todayhas a worldwide reputation.Harmonious and well balanced,its taste is fruity, mellow and with a pleasing fresh and pure feeling in the mouth.It?s an ideal mixer for long drinksand classic cocktails.Colour: Light goldNose: Mild and gentle with light fresh fruit notes.Taste: Vigorous but harmonious and well balanced. Fruity. Mellow with a pleasing fresh and pure feeling in the mouth.source: internetwines.com

Created in 1912 by Edouard Martell, the bottle became a legend in the world of Cognac as middle range Cognac. A gentle giant. The Cognac's taste is dominated by eaux-de-vie from the Borderies area.

Tasting notes:

The color: Amber-bronze color
On the nose: Elegant aromas and flavours of cinnamon, flowers and wooden floral. Prune like, a bit of sweetness.
The taste: A rich yet supple entry, very round some sense of vanilla, spice and citrus peel. Dense dried fruit, nut, sweet spice, chocolate, deep copper chestnut aromas and some roasted nuts. The finish: a warm finish, some leather. Really solid.

source: cognac-expert.com

Hennessy has been enjoying a rapper-related renaissance inthe last 10 years, but it?s much more than a symbol of conspicuous wealth andinconspicuous social graces. The VSOP stands for Very Superior Old Pale andmeans the youngest cognac in the blend has been stored in oak barrels for atleast 4 years. That means it?s gloriously smooth with honeyed fruit flavoursand suggestions of clove and cinnamon. ;Drink with: A selection of chocolates, Christmas cake or a Cubancigar from Regional.;; ;

Hennessy V.S. is a blend of around 40 different "eux-de-vie" selected for their vivacity from the best growing areas of the Cognac region.It has scents of oak and vanilla, hints of red berries followed by lighter notes of hazelnuts as well as floral notes.Can be enjoyed neat or on the rocks but it's also ideal mixed or in cocktails.;Source: www.hennessy.com

Growth: 100% Grande Champagne.
Origin: Selection from local growers. Totally unblended single vineyard and single cask.
Age: The maximum length a cognac can improve in cask.
Cask: Matured in well seasoned Limousin oak casks (350L).
Cellar: Old cellars near the river, more humid than dry.
Style: Our standard of perfection. Extraordinary delicacy in a rich flavourful cognac. Bouquet and savour: From a cask to another one, the cognac is different but, to our mind, always a diamond of unmatched purity miraculously carved by nature.
Colour: Each cask imparts its own colour to the cognac; no regularity but generally paler and more brilliant than most of the other top of the range cognacs. 

Natural strength : 43% vol. Name : "LA RESERVE DE LA FAMILLE", an exceptionally rare cognac, the kind of cognac we reserve for our guests and friends.

source: delamain-cognac.com