I put Skyrim away shortly after I started it when it first came out (Computer issue). Now with a new one I am going to start the game over. I am not a mod fan normaly I do not like to,......no offence to anyone, spoil or corrupt the original game. But after brousing the hundreds of mods out there I see many that look like they can truley enhance the game from it's origanol form. Being new to mods I know nothing about them. What are the risks and how hard are they to remove if something goes wrong? Other then Just finding something I think I like. What should I look for in a mod to know It's quality and workability? online video usualy never gives you a true quality look for the PC. I have a hi end system that topes the specs needed for top game proformance by a long shot. Any advice or sugestions would be welcome

For ease of use I would use the Nexus Mod Manager, and only mods from the SkyrimNexus site that support download with manager. I used to manually dump mods in and then a few months later they are not supported and you have to remember how to manually remove all the mod files. NMM will notify you of updated versions and also automatically remove mods you no longer want. There is a Mod Manager drop down at the top of skyrimnexus site that has the dl and tuturiols. I have about 50 mods with no problems whatsoever and would not even play the game without them.

Skyrim Nexus [http://skyrim.nexusmods.com/] or the Steam Workshop [http://steamcommunity.com/workshop/browse?appid=72850] are the best places to find mods [there are a couple of other places].

Usability and removal all depends on which mod you are using as all are different but its probably a good idea to thoroughly read what they do and in any readmes that come with any downloads. The endorsemants [when you do a mod search] on skyrim nexus are a good way to filter the popular ones and Steam Workshop has a similiar system [there can be a few hidden gems around]. Not going overboard [i.e 200] on your mods is a good deal to avoid conflicts between mods that will break your game [5 to 15 is a good start I reckon] and keeping simple mods that don't completely change a great deal is also a good start until you become more confident.

Things that will keep things relatively simple for example generally tend to be new armours and weapons though its still a good idea to read through them first anyway [some mods need programs like script dragon and skse though they are not too hard to install]. Another essential thing is knowing about load orders, as some mods conflict with others and stop them from working. Good read up on this here - http://www.theengineeringguild.co.uk/index.php?option=com_content&view=article&id=391:noobie-guide-to-skyrim-mod-lists&catid=11:the-elder-scrolls-5-skyrim-guides&Itemid=106.

Personally I tend to pick mods that I don't think will conflict with one another after reading through a mods description [so multiple followers with dragon bone weapons and glass retexture, hood circlets, climates of tamriel, dovahkiin relaxes, dual wield parrying [which requires script dragon] smash locks, wearable lanterns and cloaks which are things that work well together with me atm]. Some things like the Nexus Mod Manager [http://skyrim.nexusmods.com/mods/modmanager/] & BOSS [http://skyrim.nexusmods.com/mods/6] make things somewhat easier to manage though I perosnally prefer to manage the load orders myself.

Some mods also update all/some of the time and this can complicate things if for example you use steam workshops subscribe button to automatically download and update the mod everytime you start the game in steam [you might like an older version of the mod for example]. Using things like the nexus mod manager might requre some care too in regards to mods that have been updated. Graphics mods can also put a strain on your system and cause crashes unless you know that it can handle it. The fact that Bethesda update Skyrim too, can also work against a mod, so the latest skyrim patch can stop a mod from working if it isn't updated. Some mods are not affected.

Also sometimes for the effects of mods to show up in game, 24 hours [which is what I most commonly hear] has to lapse. Most mods tend to go into the data folder in the main Skyrim folder on your hard drive/ssd [not the documents one though you can alter things in the ini file in the documents skyrim folder].