1) Any obvious mistakes in the spec/gearing?
spec and gearing look fairly standard. one reason your dps is lower than theirs is because you have so little hit. fury is very unforgiving when you arent at or close to hit and expertise caps. it is very rage reliant meaning a dodge and miss in a row can leave you standing there with no rage to keep your rotation going waiting on another white swing. i would suggest moving the point from heroic fury to anger management along with your already 4/5 unbridled wrath for some extra rage gen (not alot i know but helps at lower gear lvls). get a nobles card asap to replace that whetstone, and keep going for the banner to replace the mirror. other pieces you can get geared pretty quickly in toc10. go for legs, chest, shoulders, and helm for t9 pieces (your gloves should hold you over for awhile since its hit and expertise).
2) Should I have worries either about my own damage output or about that of my raid group?
not familiar with world of logs, lost as hell trying to figure it out so cant comment on that.
3) Is Rawr still considered to be adequate, if not what is the most common used alternative?
spreadsheets have always been better than maxdps, the current one to use is landsoul's spreadsheet found on elitist jerks (Warrior DPS Calculation Spreadsheet - Elitist Jerks)
4) Is my routine of stancedance => Shattering Throw considered a DPSgain or loss, if it is a loss where do other fury warriors use it?
it is a raid dps gain to shattering throw (time it with bloodlust and other warriors in raid) so you dumping all your rage to stance dance > shattering throw > stance dance again will be made up by all physical dps'ers (hunters, rogues, ferals, rets, enhance, other warriors, even tanks and pets) getting that extra arp. and yes, for fury 3/3 tactical mastery is a mandatory imo so you have the exact rage you need to stance dance shattering throw.
im sure you know this, but practice practice practice your rotation on the dummy in the cities to make sure you get it down to muscle memory (after being arms for so long now i could prolly put out comparable dps with eyes closed). if they are in toc25 and your on the sidelines, go practice. when they pull you in for your shot at proving yourself in there you will have your rotation down solid.