I personally prefer .com over .info Keep in mind that you should try to build a brandable website and a .com is probably more sticky then a .info
I think a lot of the problem with .info is people are used to typing .com. so when they start typing a link, they automaticly use .com and go to an un-intended site. This causes them to not trust .info cause they rarely get where they intended on the first try. I have several .info's when I asked my friends to test the link they kept telling me they saw the wrong things. We finally figured out what they were doing.
Just buy a .com change the images and text with the .info site and then change your links to match your new .com domain name. Website is not a waste.... just the .info domain is...
Yeah, just 301 redirect the whole site! Of course, if you think it would be worth anything on a .com. .info is probably OK if you are into "rinse and repeat", but that isn't really working so well anymore, esp. not with BANS, but other scripts are getting penalised by Google too... So better to do with .com and build a quality site...
I would recommend building a site with Joomla as you can display eBay RSS Feeds into categories on your site. There's also a lot of handy extensions to make your site more user friendly.