I had the ACL/MPFL combo almost six months ago. MCL all good though. It's a long, slow road to recovery and my knee is still a work in progress but when I walk down a flight of stairs these days, I always...ALWAYS stop and smile and think about how far I've come and how much more confident I feel about my knee.
I was encouraged to WB as tolerated from the outset after my op and was not ever in a splint. My surgeon wanted to get things moving right away to reduced the risk of excessive scar tissue building up and hindering my movement/recovery. That's not to say that my surgeon's rehab protocols are superior to those that were recommended for you. In fact, the more posts you read on here, the more you will realise that no two experiences (and all the things that go along with those experiences) are the same.
Feel free to have a read of some of my experiences and let me know if you have any questions.http://www.kneeguru.co.uk/KNEEtalk/index.php?topic=58754.0
Like I mentioned though, my MCL wasn't touched and my surgery was still considered to be a pretty big one so what you've gone through sounds quite major. Slow and steady wins the race and in my experience, doing too much too soon can be just as detrimental as doing nothing, in terms of your rehab.
Keep me posted.