Are many options:
-Connect the sd card directly on pc with a card reader
-Installing Airdroid (if you have a wifi network) to access phone files with a desktop browser
-Updating to Stable 8, but link is hard to find :(
-Change to CM10, its s...
If you want performance with good use of battery try changing the governor for Smartass V2, min: 122 and max: 600. If you have SmartassH3, better ;)
Try SD Card Speed Test app (isn't in playstore, search in google)