Im on a pretty fixed budget but want to upgrade how about some input from some of you guys on hereIm looking at an SI unit lowrance hds7 gen 2 w/lss 2 hd bundle for 1200 bucks ,I like HB myself I know the hds 2 system is getting pushed aside by the Touch screen is it gonna be worth the extra 3-400 bucks to go touch screen and im looking at the HB 898C HD SI for around 1500 bucks can yall give me the good and bad on the 3 units or any input on some others ....Thanks for the help .