Choose the right tablet for you, iPad Mini or Android tablets?

The Apple iPad Mini is said to launch at a special event on October 23, according to All Things D. After a hard long wait, Apple's iPad mini event has been moved from the rumored October 10 to 17 date range to the current expectation of the October 23. The “Apple iPad Mini” ,which will have a smaller screen, is expected to sport a 7.85-inch screen , designed to compete with tablets from Samsung and Amazon —like the Google Nexus 7, or the Amazon Kindle Fire HD.

According to the rumor roundup, Highlights of iPad Mini rumors are below.

• Expect to running on iOS 6
• Using the new Lightning charging and syncing port
• A new price between the iPhone 5 at $200 and the iPad 2 at $400

Including the iPad Mini, there are lists of 7-inch tablets of iPad mini’s strong competitors in the market. How to choose the right tablet for you becomes a problem naturally. By comparing to other tablets, the following list can give you the advice about how to choose the right tablets.

4. Barnes & Noble Nook HD

The Nook HD is a 7-inch tablet that looks a lot like the Nook Tablet, with some notable enhancements. The latest released 7 inch tablet is Barnes & Noble Nook HD which won't be available until later this month. With a new redesigned interface, extremely light weight, microSD storage expansion, 1,140x900-pixel-resolution screen, and the inclusion of the fastest processor yet in a 7-inch tablet, the 1.3GHz OMAP 4470. At $199, the Nook HD will be a big competitor to iPad Mini.

Related article: Hands On With the Barnes & Noble Nook HD

3. Amazon Kindle Fire HD

If you're an Amazon Prime member with a penchant for watching books, movies, TV shows, and music, the Fire HD should definitely be in your crosshairs. At only $199, the Fire HD sports an amazing-looking screen, a 720p front camera, Bluetooth, and the best speakers you've ever heard on any tablet.

The good: The Amazon Kindle Fire HD has a most impressive-looking 7-inch tablet screen, its speakers deliver killer sound, and its refined interface is the best gateway to Amazon content for Prime members. New enhancements fill its $200 price to the brim with value.

The bad: Performance is sluggish at times and the Fire HD is less comfortable to hold than the Nexus 7. The curated app store means many apps and games are not available. There's a $15 opt-out for ads.

2. Microsoft Surface Pro  

Microsoft is scheduled to launch Windows 8 alongside the ARM-powered version of its Surface tablet on Oct. 26. Sure, the current generation of Windows 8 martphones may hard to catch up to iOS or Android, but in the tablet wars, the Surface Pro has a few several secret weapons: Outlook, Word, OneNote, "fat" desktop application support, and a new take on digital notes, with a redesigned stylus.

Microsoft's Surface tablet will have two digitizers, one for touch input and one for pen input. In addition, they work in conjunction not contention with each other.

1. Google Nexus 7

Nexus 7, the first tablet launched under Google's own Nexus brand. The Nexus 7sells at price of $199 is the best 7-inch tablet yet, NFC communication，combining fast quad-core performance, top-notch design and Google's smart Jelly Bean OS for an amazing price. Now Google's first tablet has become the best-selling in its category just three months after its launch, not just in the US, according r to telegraph. So The iPad Mini will need to offer a very good features-to-price ratio if it hopes to become the best 7-inch tablet yet.

The good: The Nexus 7's quad-core Tegra 3 processor delivers fast performance and a beautiful and responsive screen. Also, it's comfortable to hold and Android 4.1 brings a surplus of welcome additions. At only $200, the Nexus 7 is a steal.

The bad: The lack of built-in expandable storage and omission of HDMI are disappointing, and the design follows the plain, black tablet mold. The top and bottom bezels are a bit too thick.

Related article: Apple iPad Mini vs Google Nexus 7 tablet comparison review

The war of 7-inch tablets is heating up. Which one you are going to buy? Please let us know via comments.