Hi Pan1k:
If you have a stock 1200, definatly get rid of MagicWB. Try using no more than a 4 color screen for your WB, will fee a little memory. Amiga hardware is getting hard to find, but get a memory upgrade when you can. Not only will you have more free RAM left after boot, but your 1200 will work a bit faster too.
Really, I didn't start to add any 'bells and whistles' to my WB until I had upgraded my machine considerably. A stock 1200 doesn't let you add much....
I have no clue about you prob. with the RocTec floppy. Have never heard of that happening... maybe someone else could help?