i have seem many wordpress pagination plugins and hardly a few i liked it.  i searched everywhere on the web for wordpress plugins  with attractive page navigation and i was able to find only a few. Anyways i am posting below,  so that it would be useful for wordpress developers.

1. WP- Paginate

http://wordpress.org/extend/plugins/wp-paginate/

2. WP-PageNavi

http://wordpress.org/extend/plugins/wp-pagenavi/

3. WP Page Numbers

http://www.jenst.se/2008/03/29/wp-page-numbers

4. Page Navigator Widget

http://wordpress.org/extend/plugins/page-navigator-widget/

5. Zamango Page Navigation

http://www.zamango.com/zamango-page-navigation-free-wordpress-plugin.html

6. Pagebar

http://wordpress.org/extend/plugins/pagebar/

7. Multi-level Navigation Plugin

http://wordpress.org/extend/plugins/multi-level-navigation-plugin/

8. YAPPC Ajax Paged Comments

http://wordpress.org/extend/plugins/yaapc/