It is a modeling amp with tons of setting.. It takes a lot to learn it (for me) but you'll never be bored ..
there are lots of good amps out there.. Hopefully other will chime in with their suggestion..
150 british pounds equals about 240 us dollars...
Heres a list of retailer that you can research
www.music123.com
www.zzounds.com
www.guitarcenter.com
www.samedaymusic.com
www.samash.com