After the tests with BT4, here are the results for BT5.
I included BT4 results for reference.

OS:
- BT5 and BT4 R2 (on bootable USB)
- all drivers out-of-the-box, no extra drivers installed

Tools:
- Wifite_r78
- Grim WEPA 1.10 alpha 6 (installed)

AP/Router:
- Topcom webracer 1004
- TP-Link WR340GD

Encryption: WEP 64bit


(still can't seem to find a decent way to insert a table, so I'll attach an image) Rightclick "view image" for full size


Peculiar results: Hawking HWU8DD rev.B and Linksys WUSB54GC v1 which were working perfectly on BT4, I couldn't get them to work in BT5

I hope this helps some of you looking for an adapter.