Wordpress must have plugins?

My to buy list

1/ OptimizePress - Internet Marketing Wordpress Theme

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2/ Product Launch Wordpress Theme

I'm debating between the two. Any feedback will be much appreciated.

1. Facebook Like Button
2. Platinum SEO Pack

@BJ OptimizePress is a Theme not a plugin

The Akismet Plugin (usually comes included)

Google Analytics & XML sitemaps for Wordpress

PingBack Optimizer

W3 total cache

Pretty Link

SEO Pressor

All in one SEO


Wp Syndicator

I'm going to give you my standard answer for this:

Not one plugin is essential if you don't need it to reach the goal you have set for your site. Confusing? Thought so.

Honestly, there are about 4 plugins I use on practically all my blogs, all the rest depends on what I want to do with my blog. I always use All in one SEO (or you could use Platinum SEO pack, both help improve the on site SEO) but not when I have a theme that has SEO features, then I have the Simple Google Sitemap plugin, the Easy Contact plugin ('cause I always want a contact page, again, not when the theme has the option to create a contact page itself) and the WP Syndicator plugin ('cause I'm too lazy to build my own backlinks LOL).

Besides those it depends, do I want a page with youtube videos in my niche, I'll use Tubepress, if I need a privacy policy, I'll use Easy Privacy Policy, but I'll delete the plugin once the page is created.

The one rule I have is this: I ask myself the question "Am I adding this plugin because I want it or because I need it?". If I only want it, I usually don't get it, if I need it, I'll add it.

The same for my clients. I have a list of plugins I mention in my salespage, but if they don't need them all, I'll tell them so and don't add them. No need to slow down the blog for nothing.

Leslie

These are the one I normally use
Akismet
All in one SEO
Comment Luv
Google site map
and the most important one of all
Wordpress database backup

All in one seo pack and stt2