I have a contract that I deployed a while ago. My mist is like 6 months behind and I don't even think I have enough HD space for it to catch up. I can still launch it anyway to get contracts and wallets addresses etc. Is there anyway I can interact the same way I would when you click a contact and pick a function under the 'Write to contact' without having to download the fullnode?
I used MEW https://www.myetherwallet.com/#contracts using the contract address and pasting in the ABI/JSON that you can copy from mist by clicking on 'show interface'
Let me know if you need more details.