(MONEY Magazine) – With the December relaunch of the Carte Blanche card, those looking for an exclusive, perk-laden credit card have more options. Here's the latest in credit-card elitism from AmEx, Diners Club, Visa and MasterCard. All offer concierge services for hotel and restaurant reservations, 24-hour global travel assistance and no preset spending limits. Beyond that, the perks vary widely. --S.D.S.

Card American Express Centurion

Color Black

Fee $1,000

The pitch "Raising the bar in the premium card category"

Who can apply? Selected Platinum Card holders, by invitation only

Notable perks Global cell phone when traveling, free companion airline tickets, travel upgrades, financial advice and use of a Madison Square Garden sky box (for $1,000 and up)

[Card] Carte Blanche from Diners Club

[Color] Charcoal gray

[Fee] $300

[The pitch] "Welcome to a world without limits."

[Who can apply?] Anyone (call 800-234-6377), but card is aimed at those who charge more than $10,000 a year.

[Notable perks] Rewards points good for anything you want, free companion airline tickets and access to 200 exclusive golf resorts like St. Andrew's

[Card] Visa Infinite

[Color] Black

[Fee] $150

[The pitch] "The possibilities are infinite."

[Who can apply?] Private banking clients at National City ($500,000 minimum net worth)

[Notable perks] Customizable rewards, option to earn cash back and a free personal shopper

[Card] MBNA MasterCard Quantum

[Color] Pearly gray

[Fee] $75[1]

[The pitch] "Practical. Powerful.Indispensable."

[Who can apply?] Initially by invitation only; now you can apply "if you think you might be eligible for this exclusive product"

[Notable perks] Customizable rewards, real-time account information online, no fees on cash advances and a credit line of as much as $1 million(800-343-3246).

Note: [1]For travel rewards. Sources: The issuers.