Not bad at all Roin, the barlow laser is definately a way for you to get it close but like i said with the f3.8 you have to be 100 percent on the money to get it to hummmmmmmm.
once you get the cats eye collimation kit to start making things really tight then you will see the difference. I saw a massive difference when i got my kit together. the multi colour diffraction spikes are a dead give away for that.
If i was about your area i would be more than happy to come over and lend you my kit to get that 3.8 singing
Brendan